in the periodic table notation below what information does the number 40.08 tell you

Answers

Answer 1

Answer:

The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom. Every element has a unique atomic number.

Explanation:


Related Questions

Which plate borders the Philippine plate
A African
B antártic
C Eurasian
D North American

Answers

The Philippine Sea plate is tectonically unusual in that almost all the boundaries are convergent.

The Pacific plate is subducting beneath the Philippine Sea plate to the east while the west/northwestern part of the Philippine Sea plate is subducting beneath the continental Eurasian plate.

Answer: Eurasian

Eurasian plate borders the Philippine plate. The correct option is C.

What is Philippine plate?

The Philippine Sea plate has all the boundaries convergent. It is a plate that lies below the lithosphere.

The Pacific plate is shifting beneath the Philippine Sea plate to the east. The west of the Philippine Sea plate is shifting beneath the continental Eurasian plate.

Thus, Eurasian plate borders the Philippine plate. The correct option is C.

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Which describes a reflected image in a plane mirror?

A. The image is upside-down and about as far away from the mirror as the reflected object.

B. The image is right-left reversed and about as far away from the mirror as the reflected object.

C. The image appears right side up and larger than the reflected object.

Answers

Answer:

B. The image is right-left reversed and about as far away from the mirror as the reflected object.

Explanation:

A plane mirror is used in several ways in our life, from the mirror that we have on the bathroom to the mirrors we use on cars, the main difference is that the mirror reflects the image reversed on the Vertical axis, which means that the left is the right and the right is the left, a mirror also protrays objects at a certain distance, about as far away from the mirror as the reflected object but they are actually closer in real life.

Answer:

B. The image is right-left reversed and about as far away from the mirror as the reflected object.

Over a span of 6.0 seconds, a car changes its speed from 89 km/h to 37 km/h. What is its average acceleration in meters per second squared (m/s2)?

Answers

Answer: Average acceleration is -2.407 [tex]\frac{m}{s^{2}}[/tex]

 

Explanation:

Average acceleration is equal to change in velocity divided by time taken

therefore, [tex]a=\frac{Vf-Vi}{t}[/tex]

=> [tex]a=\frac{37-89}{6}\times \frac{5}{18}\frac{m}{s^{2}} = -2.407 \frac{m}{s^{2}}[/tex]

An object is traveling in a circular motion at constant speed. If the speed is doubled, the centripetal acceleration is changed by a factor of

Answers

Answer: the centripetal acceleration is changed by a factor of four

Explanation:  An object moving in a circular motion at constant speed has zero tangential acceleration but the direction of the tangential velocity vector changes as the object rotates. This change in direction of the tangential velocity vector results in centripetal acceleration ([tex]a_c[/tex]) given by

[tex]a_c=\frac{v^{2}}{r}[/tex]

where v=speed of object , r= radius of circular path

Thus if [tex]v_2=2v_1[/tex] then

[tex]a_2=\frac{v_2^{2}}{r_2}=\frac{(2v_1)^{2}}{r_1}=4\times \frac{v_1^{2}}{r_1}=4a_1[/tex]

Thus If the speed is doubled, the centripetal acceleration is changed by a factor of four .

Final answer:

The centripetal acceleration will increase by a factor of 4 when the speed of an object in circular motion is doubled, because centripetal acceleration is proportional to the square of the velocity.

Explanation:

An object is traveling in circular motion at constant speed. When the object's speed is doubled, its centripetal acceleration is affected significantly because the acceleration in circular motion is directly proportional to the square of the velocity. The formula for centripetal acceleration (ac) is ac = v² / r, where v is the speed of the object and r is the radius of the circular path.

Since the relationship is quadratic, if you double the speed (v becomes 2v), the new acceleration will become (2v)² / r = 4v² / r. This shows that the centripetal acceleration will increase by a factor of 4, which is the square of the factor by which the speed is increased.

A car travels 300 meters in 15 seconds. What is
the average velocity of the car?
A.
5.0 m/sec
B.
15 m/sec
C.
20 m/sec
D. 30 m/sec

Answers

C; to get the unit rate or the time it travels per second you divide the total amount traveled by the amount it took to travel. 300/15=20 20•15=300

The average velocity of the car is: C.  20 m/sec.

Given the following data:

Distance traveled = 300 meters.Time = 15 seconds.

To find the average velocity of the car:

Mathematically, average velocity is calculated by using the formula;

[tex]Average \; velocity = \frac{Total \; distance}{Total \; time}[/tex]

Substituting the given parameters into the formula, we have;

[tex]Average \; velocity = \frac{300}{15}[/tex]

Average velocity = 20 meters per seconds.

Therefore, the average velocity of the car is 20 meters per seconds.

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Raw data often appears in published scientific journals. Please select the best answer from the choices provided T F

Answers

Answer: The correct answer is False.

Explanation: The term "raw data" refers to the data that has not been processed or "clean" for use. A scientific journal is a type of publication that specializes in publishing new researches of the scientific field. These researches contain information, that is considered the end product of processing the raw data. It is most likely that raw data would not be used as it comes in published scientific articles.

Answer: It's false

Explanation:

I got it right on edge.

If a patient is receiving home care services this means they have a terminal illness true or false

Answers

False. Receiving home care services does not necessarily mean that a patient has a terminal illness.

Terminal illness and homecare services

Home care services are not exclusively for those with terminal illnesses; they cater to various needs.

These services extend beyond end-of-life care, encompassing chronic illness management, post-surgery recovery, palliative care, and support for the elderly.

Home care facilitates personalized healthcare delivery in the comfort of one's residence, promoting independence and enhancing the quality of life.

It is a flexible approach that addresses diverse medical conditions, allowing individuals to receive necessary assistance tailored to their unique health requirements.

Final answer:

Home care services do not exclusively mean a patient has a terminal illness. Home care can include hospice services for those with terminal illnesses, but it also caters to a range of other patient needs, such as recovery and long-term support. Hospice care provides comfort for terminally ill patients, often in their homes. The statement in the question is not true.

Explanation:

If a patient is receiving home care services, it does not necessarily mean they have a terminal illness. While it is true that hospice care is often associated with terminal illnesses and focuses on providing comfort and support rather than cure-oriented treatments, home care can encompass a variety of services for patients with varying needs, including recoveries from surgeries, chronic illnesses, disability support, and more community-based, long-term care. Hospice care, specifically, supports terminally ill patients and their families by offering pain management, emotional support, and the opportunity for the patient to be in the comfort of their own home. However, not all patients in home care are in hospice or have terminal illnesses.

A train traveling at 7.55m/s accelerates to a distance of 975m in 31.5 s. Whats the final velocity of the train?
A)227m/s
B)54.4
C)7.61
D)69.5

Answers

Answer:

B. 54.4  m/s

Explanation:

Using the equation;

S = ut + 1/2at²

Where;

v is the final velocity

u is the initial velocity,

a is the acceleration,

s is the displacement

Therefore;

975 =(7.55×31.5) + (0.5×a× 31.5²)

975 = 237.825 + 496.125a

496.125a = 737.175

a = 1.486 m/s²

But;

v = u + at

  = 7.55 m/s + (1.486 × 31.5)

   = 54.355 m/s

   = 54.4 m/s

Therefore;

The final velocity is 54.4 m/s

Which is an important step in how an electric motor uses magnetic force to produce motion?
A) As the north pole of the electromagnet nears the north pole of the permanent magnet, the current reverses and the poles of the magnets then attract.
B) As the north pole of the electromagnet nears the south pole of the permanent magnet, the current reverses and the poles of the magnets then repel.
C) As the north pole of the electromagnet nears the north pole of the permanent magnet, the current reverses and the poles of the magnets then repel.
D) As the north pole of the electromagnet nears the south pole of the permanent magnet, the current reverses and the poles of the magnets then attract.

Answers

Answer:B.As the north pole of the electromagnet nears the south pole of the permanent magnet, the current reverses and the poles of the magnets then repel.

Explanation:

Answer:

B) As the north pole of the electromagnet nears the south pole of the permanent magnet, the current reverses and the poles of the magnets then repel.

Explanation:

As we know that electric motor is based on the concept of torque due to magnetic field on current carrying coil.

Here as the current is passing through the coil the torque on the coil is given as

[tex]\tau = NiAB sin\theta[/tex]

so here the magnetic field due to coil will continuously repelling the current carrying coil as it will move between the magnetic field so direction of current in the coil will change continuously so that it will always repel by the magnetic field and continuously rotated between the magnets

Please help

78% nitrogen, 21% oxygen
Ionosphere
temperature falls to -93*C
temperature continue to rise up to 1500*C
temperature drops from 17 to -52*C
protective ozone layer
UV radiation causes temperature to rise

Answers

Answer:

Thermosphere

temperature continue to rise up to 1500*C

Ionosphere

Mesosphere

temperature falls to -93*C

Stratosphere

protective ozone layer

UV radiation causes temperature to rise

Troposphere

78% nitrogen, 21% oxygen

temperature drops from 17 to -52*C

Explanation:

if Luke pushes with 22 N of force on the wagon that is now filled with bricks but he cannot make you move how much work did Luke do

Answers

Answer: He did none.

Explanation:

Even though he may have felt like he did work, none was done.

The only way for work to happen is if the object moves.

Answer:

Zero

Explanation:

Work done on an object is defined as the product of force applied on an object and the distance traveled by the object due to the applied force. here the force applied is in the direction of force.

Generally,

Work = force in the direction of displacement x displacement

Here, the displacement is zero

so, the work done by Luke to push the wagon is zero.

When does total internal reflection occur?

A. when the angle of incidence exceeds the angle of reflection

B. when the angle of incidence is less than the angle of reflection

C. when the angle of incidence is less than the critical angle

D. when the angle of incidence exceeds the critical angle

PLEASE GIVE A STRAIT ANSWER PLEASE

Answers

Answer:

A

Explanation:

I believe it is A because reflection is usually like a mirror or in water the other ones described are refraction or conversion. Hope this helps! :)

A blender with a total resistance of 6 ohms runs on a voltage of 190 volts. How much current does it use? NEED TO KNOW ASAP PLEASE HELPPPPP​

Answers

Hello!

The answer is 31.67 Amps.

Why?

To solve the problem, we need to use Ohm's Law equation, which states that:

[tex]V=IR[/tex]

Where,

V, is the voltage (in volts)

I, is the current (in Amps)

R, is the resistance (in Ohms)

We are given the following information:

[tex]Voltage=190v\\Resistance=6\Omega\\[/tex]

So, using Ohm's Law equation and substituting the given information, we have:

[tex]V=IR\\\\190v=I*6\Omega\\\\I=\frac{190v}{6\Omega}=31.67Amps[/tex]

Hence, we have that the current used by the blender is 31.67Amps.

Have a nice day!

A quality that has magnitude only is a

Answers

Answer:

scaler quantity has magnitude only for example mass ,speed,distance,electric current


If the speed of an object is unchanging, then what must be true?




The object is traveling at an average speed.



The object is traveling at a constant speed.



The object is traveling at a decreasing velocity.



The object is traveling at an increasing velocity

Answers

Answer:

If the speed of an object is unchanging it means that it's traveling at a constant speed.

If the speed of the object increases or decreases it means that the speed is changing. That's why those options are not valid.

The average speed implies that the speed changes over time, but just the average remains the same. That's why this option is not valid.

If the speed of an object is unchanging, then the object is traveling at a constant speed.

"Unchanging" and "constant" mean the same thing.

The Mass number of an element is the?
A. number of protons plus electrons
B.number of protons only
C. number of protons plus neutrons

Answers

Answer:

The mass number of an element is the number of protons plus neutrons.

Explanation:

The mass number of an element is the number of protons plus neutrons, so the correct answer is the option C.

The mass number of an element is the sum of the number of protons plus neutrons.

Answer: Option C

Explanation:

The element's mass number refers to the summative number of neutron and proton in the nucleus. In the nucleus there is the total number of protons and neutron, summed together to form the atomic mass.

Atomic mass is similar as the mass number in representation. Therefore, we have the following formula for the mass number,

Mass number of an element=Number of protons+Number of neutrons

what type of test charge do we use for an electrical field ? ​

Answers

Answer:

A positive charge with very small charge compared to the charge source of the field

Explanation:

Let's consider an electric field produced by a source charge Q.

In order to test the direction and magnitude of the electric field, we use a positive test charge q. The reason for chosing a positive charge is that a positive charge will move following the directions of the electric field lines (in fact, the positive charge will be repelled from charge Q if charge Q is positive, so it will follow the electric field lines, which point away from the charge).

Moreover, the test charge q must be small compared to charge Q. This is because we don't want to modify significantly the configuration of the electric field, so the test charge q must be negligible compared to charge Q.

which of the following is an example of a main sequence star

Answers

The Sun.

I know this question is old but it still needed an answer :-) hope this helps anyone who needs it!

Identify the form of energy that matches each example. Energy from electromagnetic waves: Energy caused by changes in the structure of a nucleus: Energy resulting from movement and vibration of molecules: Energy an object has because of its position:

Answers

Final answer:

Electromagnetic waves carry energy in the form of photons. Nuclear energy is released during changes in the structure of a nucleus. Thermal energy is the result of movement and vibration of molecules. Potential energy is associated with an object's position.

Explanation:

Energy from electromagnetic waves: Electromagnetic waves, such as light, carry energy in the form of photons. These waves can be used to transfer energy and gather information. For example, sunlight carries energy from the sun to the Earth, which can be used for photosynthesis in plants.

Energy caused by changes in the structure of a nucleus: Nuclear energy is released when the structure of a nucleus changes, such as in nuclear fission or fusion reactions. This energy is used in nuclear power plants to generate electricity.

Energy resulting from movement and vibration of molecules: Thermal energy, also known as heat energy, is the energy resulting from the movement and vibration of molecules. It is a form of kinetic energy and is responsible for temperature changes and heat transfer.

Energy an object has because of its position: Potential energy is the energy an object possesses due to its position or condition. For example, a raised object has gravitational potential energy, and a compressed spring has elastic potential energy.

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Final answer:

The examples correspond to Radiant Energy (energy from electromagnetic waves), Nuclear Energy (energy caused by changes in a nucleus), Thermal Energy (energy resulting from movement and vibration of molecules), and Potential Energy (energy an object has because of its position).

Explanation:

For the given examples, the corresponding forms of energy are:

Energy from electromagnetic waves refers to Radiant Energy. Energy caused by changes in the structure of a nucleus refers to Nuclear Energy. Energy resulting from movement and vibration of molecules refers to Thermal Energy. Energy an object has because of its position refers to Potential Energy.

These are the major types of energy that correspond to the scenarios described in your question. Each of these forms plays a vital role in different physical and biological systems.

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A cyclist travels at a constant velocity of 3.2m/s westward, then speeds up with a steady acceleration of 2.3m/s^2. Calculate the cyclist’s speed after accelerating for 5.0 s.

*also tell how to work out problem*

Answers

Answer:

14.7 m/s

Explanation:

In this problem we have

u = 3.2 m/s is the initial velocity of the cyclist

a = 2.3 m/s^2 is the acceleration of the cyclist

We want to know the cyclist speed after a time of

t = 5.0 s

So we can use the following equation:

[tex]v=u+at[/tex]

Substituting the numbers, we find

[tex]v=3.2 m/s + (2.3 m/s^2)(5.0 s)=14.7 m/s[/tex]

How did the appearance of the smallest creatures, such as the microbes and bacteria, in Earth's early history impact the geosphere?

A)
formation of rocks


B)
enriching the soil


C)
decreased moisture


D)
caused land erosion

Answers

B) Enriching the soil.

Hope this helps.

I believe the answer is B) enriching the soil. Bacteria converts energy in would organic matter into forms useful to the rest of the organization in the soil food web.

When giving feedback to children, your message is most useful when A. making light of the situation. B. exerting power. C. giving a clear message that matches your emotion. D. using a honeyed voice.

Answers

C. is the right answer

When giving feedback to children, your message is most useful when . giving a clear message that matches your emotion.

What is feedback?

Feedback occurs when a system's outputs were being used as inputs again as part of a cause-and-effect circuit or loop. Thus, the system is said to feed back on itself. When used with feedback systems, the concept of causality must be treated.  Simple causal reasoning about a feedback system is challenging because first system affects the second, which impacts the first, creating a circular argument. Because of this, it is difficult to reason utilizing cause and effect, and it is required to look at the problem as a whole.

What is message?

A message is a brief item of communication that the source intended for a certain recipient or group of recipients to read. There are many other ways to deliver a signal, such as courier, telegraphy, carrier pigeon, and electronic bus. A broadcast's content might have been a message.

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Which statement best explains acceleration?​

Answers

i’m pretty sure the answer is B

Answer:

b

Explanation:

the boundary between tectonic plates that are moving toward each other

Answers

Answer:

A divergent boundary is the answer

Explanation:

Decribe the relationship between kinetic energy and speed

Answers

Every moving object has kinetic energy.

The kinetic energy a moving object has is

(half of its mass)

multiplied by

(the square of its speed).

the weatherman reports the storm waves are about 2 meters high and 35 meters apart. What properties of waves is the reporter describing?

Answers

Answer:

Amplitude and wavelength

Explanation:

- The amplitude of a wave is the maximum displacement of the wave, measured with respect to the equilibrium position (so, for a water wave it is the maximum height of the wave relative to the equilibrium position)

- The wavelength of a wave is the distance between two consecutive crests (or throughs) of a wave. So, for a water wave, it is the distance between two consecutive waves

Therefore, in the example in the problem we have:

- 2 meters corresponds to the amplitude

- 35 meters corresponds to the wavelength

a rocket is fired vertically from the ground.it moves upwards with a constant acceleration 10m/s square for 30 seconds after which the fuel is finished.after what time from the instant of the firing of the rockets will attain maximum height?,find the maximum height it rraches above the ground and total time the rockrt will stay above the ground.​

Answers

Answer:

9090 m, 104 s

Explanation:

After the acceleration phase, the rocket reaches a height of:

x = x₀ + v₀ t + ½ at²

x = (0 m) + (0 m/s) (30 s) + ½ (10 m/s²) (30 s)²

x = 4500 m

And it reaches a velocity of:

v = at + v₀

v = (10 m/s²) (30 s) + (0 m/s)

v = 300 m/s

After the fuel runs out, the rocket goes into free fall.  The maximum height reached is:

v² = v₀² + 2a(x - x₀)

(0 m/s)² = (300 m/s)² + 2(-9.8 m/s²)(x - 4500 m)

x ≈ 9090 m

The time to reach maximum height during free fall:

v = at + v₀

0 m/s = (-9.8 m/s²) t + (300 m/s)

t ≈ 30.6 s

And the time to land from the maximum height:

x = x₀ + v₀ t + ½ at²

0 m = (9090 m) + (0 m/s) t + ½ (-9.8 m/s²) t²

t ≈ 43.1 s

So the total time is:

t = 30 s + 30.6 s + 43.1 s

t ≈ 104 seconds

All solids above 1000 K begin to emit radiation in what range on the electromagnetic scale?

radio
infrared
visible Light
ultraviolet

Answers

Answer:

Infrared

Explanation:

Wien's displacement law states that the peak wavelength of the radiation emitted by an object is given by

[tex]\lambda=\frac{b}{T}[/tex]

where

[tex]b=2.898\cdot 10^{-3} m\cdot K[/tex] is the Wien's displacement constant

T is the absolute temperature of the object

In this problem,

T = 1000 K

So the peak wavelength of the radiation emitted by the body is

[tex]\lambda=\frac{2.898\cdot 10^{-3} m\cdot K}{1000 K}=2.90\cdot 10^{-6} m = 2.90 \mu m[/tex]

And this corresponds to infrared radiation, whose range of wavelength is 700 nm - 1 mm.

Answer:

The correct answer is visible light.

Explanation:

the ability of an organism to maintain a stable internal environment even when the external environment changes ​

Answers

Answer:

homeostasis!

Explanation:

The table shows data related to the planet Saturn. Which data is essential to find the length of a year on Saturn? ​

Answers

Answer:

period of orbit around sun ! thats a saturn year

Explanation:

Other Questions
by 1955 half of the homes in the U.S. had this major new media technology a) Radio b) Television c) Internet d) Books A little boy blows air into a rubber glove and ties a knot at the end of it. He realizes that he wants the puffed-up glove to be bigger, but he's already tied a knot that he cannot untie.According to the gas laws, what could the little boy do to increase the volume of air in the glove? poke a hole in one of the fingers of the glove place the glove in the sun squeeze the fingers of the glove place the glove in the freezer Find the value of y . 13/9 = y/18 y = ___. HELP ME IMMEDIATELYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY PLZ PLEASE SOLVE THIS ASAP ABC Mechanics charges an estimate fee of $100 plus $40 per hour, x, in labor. XYZ Mechanics charges an estimate fee of $65 plus $50 per hour, x, in labor. How many hours of labor will make ABC the better choice?=6 hours?>2 hours?3.5 hours? Chukwudi believes that atheists cannot be trusted. as a result, he refuses to hire anyone who does not regularly attend church. chukwudi's action is an example of __________. A standard mercury thermometer consists of a hollow glasscylinder, the stem, attached to a bulb filled with mercury. As thetemperature of the thermometer changes, the mercury expands (orcontracts) and the height of the mercury column in the stemchanges. Marks are made on the stem to denote the height of themercury column at different temperatures such as the freezing point(0 C ) and the boiling point (100 C ) of water. Othertemperature markings are interpolated between these twopoints.Due to concerns about the toxic properties of mercury,many thermometers are made with other liquids. Consider drainingthe mercury from the above thermometer and replacing it withanother, such as alcohol. Alcohol has a coefficient of volumeexpansion 5.6 times greater than that of mercury. The amount ofalcohol is adjusted such that when placed in ice water, thethermometer accurately records 0 C. No other changes are made tothe thermometer.Part AWhen the alcohol thermometer is placed in 22 C water,what temperature will the thermometer record?less than 22 C22 Cgreater than 22 CPart BWhen the alcohol thermometer is placed in a -12 Csubstance, what temperature will the thermometer record?less than-12 C-12 Cgreater than -12 CPart CIf you want to design a thermometer with the same spacingbetween temperature markings as a mercury thermometer, how must thediameter of the inner hollow cylinder of the stem of the alcoholthermometer compare to that of the mercury thermometer? Assume thatthe bulb has a much larger volume than the stem.5.6 times wider5.6 times widerthe same diameter but different bulbsize5.6 times smaller5.6 times smaller The bill for a meal at a restaurant is $105.95.If the customer leaves a 20% tip,what is the total cost of the meal with tip 8. The trapezoids are similar. The area of the smaller trapezoid is 131 m2. Find the area of the larger trapezoid to the nearest whole number. Factor the expression 3x-12 If 11 bumper stickers cost $10.34 then 30 bumper stickers cost Which statement would an Anti-Federalist most likely have supported duringthe ratification debate over the Constitution?OA. The Constitution does not need any changes.B. The Constitution must guarantee the protection of individualrights.C. The federal government needs to be stronger to secure our nation.D. The federal government should have the power to create andcollect taxes.Apex Which type of statement in a research-based literary essay does not have to be cited? A. A paraphrase of a chapter in a book B. A direct quotation from an online article C. Biographical information on the author from an encyclopedia D. A quotation from the editors preface of the original book PLZ HELPP 10 POINTS PLZZZ a right trangle has one angle that measures 70 what is the measure of the other acute angle in the triangle How did the Jay Treaty (1795) between Britain and the U.S. change America's relations with Spain?A. Spain quickly resolved its differences with the United States.B. Spain was pushed into an alliance with France against the United States.C. Spain agreed to exchange diplomats with the United States.D. Spain attacked United States settlements on the Georgia-Florida border. The colonies of New Hampshire, Connecticut, Rhode Island, and Massachusetts were all part of which colonial region? Eastern Middle New England Southern Equation of the blue graph? Thank you! Within New york state, the genesse river and the susquehanna river flow mostly through which landscape region hich of the following is NOT true? (1 point)Hypotheses can be tested.Theories can be proven.Theories can be disproven.Two people can interpret the same facts differently.