What are the two main types of energy?

a. potential and electrical
b. radiant and kinetic
c. electrical and thermal
d. kinetic and potential

Answer:

DescriptionA storm surge, storm flood, tidal surge or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low pressure weather systems, the severity of which is affected by the shallowness and orientation of the water body relative to storm path, as well as the timing of tides.

A wall of water that is pushed ashore is a storm surge. So, the correct option is A.

A coastal flood or tsunami-like event of rising water known as a storm surge, storm flood, tidal surge, or storm tide is frequently linked to low-pressure weather systems like cyclones. It excludes waves and is calculated as the rise in the water level just above typical tidal level.

Extreme coastal as well as interior flooding may be the result of the seawater's pulse when it reaches the coast. Storm surge can sometimes be much more destructive than the thunderstorms that produce it.

An anomalous increase in water caused by a storm that is higher than the expected astronomical tides is known as a storm surge. Storm tide, which is referred to as the increase in water level brought on by a storm surge and an astronomical tide, shouldn't be confused with storm surge.

Therefore, the correct option is A.

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Your question is incomplete, mot probably the complete question is:

Hurricanes can be very destructive, bringing tornadoes, flooding, strong winds, and storm surges to the land areas they come in contact with. What is a storm surge?

Answer:

5.5 billion years

Explanation:

The answer

Answer:

5 billion years

Explanation:

A star like the Sun is called a main sequence star. It is considered as young age star. Sun is a medium sized star and its mass determines how long it can continue in its present form.

Its heat and light are a result of the thermonuclear fusion reactions that occur in its core. The proton cycle and carbon cycle are responsible for  generating the immense energy which is released in the form of heat and light. The amount of nuclear fuel ( hydrogen helium) present in the sun indicate that it can continue glowing at this state for another 5 or 5.5 billion years more. Sun formed abut 4.6 or 5 billion years ago, as shown from the calculations.  

Answer:

Reference point

Explanation:

When describing the motion of an object, a reference point is used in order to measure distances/displacements starting from that point. Most often, the position marked as zero is used as reference point for simplicity.

Distance is a measure of the space covered by an object in motion; it is a scalar, and its value depends on the path taken by the object.

On the contrary, displacement is a vector quantity, whose magnitude is equal to the distance (calculated on a straight line) between the ending location and the starting location of the motion of the object. This means that the displacement does not depend on the path taken by the object, but only on the locations of the initial and final point.

Answer:

Reference Point

Explanation:

This is correct because this is where everything starts.

Answer:

3.34 kJ

Explanation:

FIrst of all, we need to calculate the number of moles corresponding to 10.0g of ice. This is given by

[tex]n=\frac{m }{M_m}[/tex]

where

[tex]M_m = 18.02 g/mol[/tex] is the molar mas

m = 10.0 g is the mass

Substituting

[tex]n=\frac{m}{M_m}=\frac{10 g}{18.02 g/mol}=0.555 mol[/tex]

Now we know that the heat of fusion is

[tex]H_{fus}=6.01 kJ/mol[/tex]

so the thermal energy needed to fuse the ice is

[tex]Q=n H_{fus} = (0.555 mol)(6.01 kJ/mol)=3.34 kJ[/tex]

Answer:

It is called a surface wave (rayleigh wave) that transmits its energy with the wind blowing onto its surface.Hope this helps

Answer:

27/5

Explanation:

In Lyman series, the electron returns to the first state while in Balmer series, it returns to the second state (first excited state).

ΔE = h(f₂-f₁) ; f ⇒ frequency

Hence, smaller the value of ΔE, smaller would be the frequency. Hence, to have minimum frequency for any particular spectral line, we'll have to find the minimum value of ΔE. For that to happen in Lyman series, the electron must jump from n=2 to n=1, and from n=3 to n=2 in Balmer series.

Ratio of minimum frequency of Lyman and Balmer series is equal to ratio of ΔE of Lyman to ΔE of Balmer. Minimum value of |ΔE| for Lyman series would be K(1-1/4)=3K/4 and that for Balmer series would be K(1/4-1/9) = 5K/36. Hence, ratio of minimum frequency of Lyman and Balmer series would be (3K/4)÷(5K/36), i.e. ratio = 27/5.

Please let me know if this helped :)

Answer:

100 m/s²

Explanation:

First, convert to SI units:

50 g = 0.050 kg

Now plug into the formula:

F = ma

5 N = (0.050 kg) a

a = 100 m/s²

A force of 5 N accelerates an object. The object’s mass is 50 g. Then acceleration of the object is  100 m/s².

The formula linking force, mass, and acceleration is given by

F = ma,

Where F = the force applied to the object,

m = the mass of the object,

and a =the resulting acceleration.

In this case, the force is 5 N and the mass is 50 g, or 0.05 kg (remember to convert grams to kilograms).

Now, we can solve for the acceleration using:

a = F/m

a = 5 N / 0.05 kg

a = 100 m/s²

So the acceleration of the object is 100 m/s².

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Answertrue

Explanation:

Baseball Digest is one of the publications on the sport of baseball is a True statement.

Explanation:

The baseball digest is the publication in regard to the baseball sport. It is published by the Grand Stand Publishing LLC in the city of Gurnee, state of Illinois, in United States. It was first published in the year of 1942 in August.  

It is being published in every 2 months in a year thereby, a total of 6 publications in a year. There are other publications as well for baseball namely, Baseball America, Baseball Hobby News, Baseball Register.

Answer:

The higher the frequency, the shorter the wavelength. Because all light waves move through a vacuum at the same speed, the number of wave crests passing by a given point in one second depends on the wavelength. Speed shows how long it takes for wavelengths to travel.

The internal combustion engine in the car converts the potential chemical energy in gasoline and oxygen into thermal energy which is transformed into the mechanical energy that accelerates the vehicle ( increasing its kinetic energy ) by causing the pressure and performing the work on the pistons.

Answer:

D!

Explanation:

Using the formula F = ma, you plug in 4.9 for F (force), and 0.5 for m (mass), then solve for a (acceleration).

Answer:

9.8 m/s^2

Explanation:

F=ma

The force is 4.9 N

The mass is 0.5 kg

The acceleration is what we are trying to figure out.

(Now, plug into the equation)

4.9= 0.5a

Take 4.9/0.5 to find the value of a, which is 9.8m/s^2

Answer:true

Explanation:

Answer is Electrons

Answer:

Use the potential energy formula

Explanation:

PE=mgh

m=mass=2kg

g=gravitational force=-10

h=height=10m

Potential energy is 200 Joule is same as kinetic energy before hitting the ground​.

Gravitational potential energy is energy an object possesses because of its position in a gravitational field. The most common use of gravitational potential energy is for an object near the surface of the Earth where the gravitational acceleration can be assumed to be constant at about 9.8 m/s².

PE  = mgh

mass, m = 2kg

gravitational force, g = -10

height, h=10m

PE = 2*10*10 = 200 joule

Potential energy change to kinetic energy before hitting the ground.

Potential energy is 200 Joule is same as kinetic energy before hitting the ground​.

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B} Mobile app developer （╹◡╹）

None of the options provided specifically require the skills of SQL and Bugzilla, but based on these skills, Raymond is likely to work in a broader role related to database management, software development, or quality assurance such as a Database Administrator or a Quality Assurance Engineer.

Based on the requirement of having extensive knowledge of SQL and Bugzilla, it's likely that Raymond could be working in a role related to database management or testing. However, none of the listed options, which include Mobile App Tester, Mobile App Developer, iOS Architect, and Senior iOS Developer, specifically require these skills.

Most likely, Raymond is working in a broader role in software development or quality assurance. SQL (Structured Query Language) is a programming language used for managing and manipulating databases, while Bugzilla is a web-based general-purpose bug tracking system and testing tool. Therefore, his role could be a Database Administrator or a Quality Assurance Engineer.

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Answer:

2.2 x 10-19

Explanation:

Kinetic Energy = 1/2 m v ^2

Answer:

generator

Explanation:

a machine that will convert mechanical, nuclear, or chemical energy into electrical energy.

Answer:

In most materials, as heat energy is absorbed, the density decreases. IF a certain object is heated, it might appear bigger than usual because it expands as the molecules inside moves faster than usual. However the mass of it stays the same while the density decreases.

Is halved. A 6Ω resistor connected to a voltage source which voltage is decreased from 12V to 6V the current passing through the resistor is halved.

The key to solve this problem is applying Ohm's Law V = R I, clearing I from the equation, we obtain I = V/R. Then, the current is directly proportional to the voltage and inversely proportional to the resistance.

V = 12V and R = 6Ω

I = 12V/6Ω = 2A

V = 6V and R = 6Ω

V = 6V/6Ω = 1A

As we can see the current is halved if the voltage descreased from 12V to 6V

The correct option is

(c) is halved.

Given a 6Ω resistor and the voltage is decreased from 12V to 6V

Ohm's Law:

Ohm's law states that the current (I) is directly proportional to the voltage (V) and inversely proportional to the resistance (R). That is

V= I/R

here, according to the question

initially, V = 12V and R = 6Ω

so I = 12V/6Ω = 2A

Finally

V = 6V and R = 6Ω

I' = 6V/6Ω = 1A

so we see that

2I' = I

I' = I/2

Hence, the current is halved.

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Answer:

Neither ball has a charge.

Explanation:

Conclusion 1 is supported by this evidence. Neither ball has a charge. because the charge is in hanging condition neither attract nor repel each other.

When the matter is put in an electromagnetic field, it has an electric charge, which causes it to experience a force. A positive or negative electric charge can exist.

Charges that are similar repel each other, whereas charges that are dissimilar attract each other. The term "neutral" refers to an item that has no net charge.

The charge is in hanging condition neither attract nor repel each other. Shows neither ball has a charge.

Hence conclusion 1 is supported by this evidence.

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convection of heat in the asthenosphere, conduction of heat from the inner core, and radiation of the inner core throughout the other layers

Answer:

A

Explanation:

I believe the answer would be A because they are gonna want a cow who can produce a lot of milk because then they can sell what milk is left over to the people

They practice selective breeding and only encourage the reproduction of animals with specific features such as cow that makes a lot of milk.

The Cattle ranchers and dairy farmers do selective breeding so that they produce an offspring that have high milk production capabilities. Dairy farmers rear animals for milk production.

So we can conclude that they encourage the reproduction of animals with specific features such as cow that makes a lot of milk.

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Answer: 94 cm

Explanation:

The answer is not among the given options, however it can be approximated to 94 cm.

Hooke's law establishes that the elongation of a spring is directly proportional to the modulus of the force [tex]F[/tex] applied to it, as long as the spring is not permanently deformed:  

[tex]F=k (x-x_{o})[/tex] (1)

Where:  

[tex]k[/tex] is the elastic constant of the spring

[tex]x_{o}[/tex] is the length of the spring without applying force.  

[tex]x[/tex] is the length of the spring with the force applied.

According to this, we have a spring where only the force due gravity is applied.  In other words, the force applied is the weigth [tex]W[/tex]:

[tex]W=m.g[/tex] (2)

So, equation (1) can be rewritten as:

[tex]W=k (\Delta x)[/tex] (3)

Isolating [tex]k[/tex]:

[tex]k=\frac{W}{\Delta x}[/tex] (4)  From here we can deduce [tex]k[/tex] is the slope of the line of the graph shown, as follows:

[tex]k=\frac{m_{2}g-m_{1}g}{x-x_{o}}=g\frac{m_{2}-m_{1}}{x-x_{o}}[/tex]

Where:

[tex]m_{2}=400 g=0.4 kg[/tex]

[tex]m_{1}=200 g=0.2 kg[/tex]

[tex]g=9.8\frac{m}{s^{2}}[/tex] is the acceleration due gravity

[tex]x=15 cm=0.15 m[/tex]

[tex]x_{o}=7.5 cm=0.075 m[/tex]

[tex]k=9.8\frac{m}{s^{2}}\frac{0.4 kg-0.2 kg}{0.15 m-0.075 m}[/tex]

[tex]k=26.13 N/m[/tex] (5) This is the spring constant

Now, with the mass [tex]m=2.35 kg[/tex] we can calculate the weight:

[tex]W=m.g=(2.35 kg)(9.8\frac{m}{s^{2}})[/tex]

[tex]W=23.03 N[/tex] (6)

So, knowing [tex]k=26.13 N/m[/tex] and [tex]W=23.03 N[/tex] we can calculate [tex]\Delta x[/tex] from (3):

[tex]\Delta x=\frac{W}{k}[/tex] (7)

[tex]\Delta x=\frac{23.03 N}{26.13 N/m}[/tex] (8)

[tex]\Delta x=0.88 m=88.13 cm[/tex] (9)

The value that is nearest to 88.13 cm is 94 cm

The question is about determining how much a spring would stretch under a certain weight, based on Hooke's law. Without the spring constant or the graph data, it is impossible to provide the exact value. Nonetheless, it is crucial to acknowledge that the stretch (x) can be calculated from the formula of Hooke’s law (F=kx) substituting force (F) with mass times gravity (mg).

This problem is based on Hooke’s law, which is a principle in physics that states that the force needed to extend or compress a spring by a certain distance scales linearly with respect to that distance. The law is usually formulated as F = kx, where F is the force applied, x is the displacement of the spring (how much it is stretched), and k is the spring constant.

In this case, you want to find x (the stretch of the spring) when a certain mass (m) is hung from the spring. According to Newton’s second law, F = ma, where a is the acceleration due to gravity. However, in this context, F can also be thought of as the weight of the mass, which is mg. So, F = mg. Therefore, mg = kx.

Unfortunately, without knowing the value of the spring constant (k), or having the actual data from the graph, it is not possible to calculate how much the spring would stretch when a 2.35 kg mass is hung from it.

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A) 3, 2, 1,6

3CaCl2 + 2Na3PO4 --> 1Ca3(PO4)2 + 6NaCl

Answer:

11 m/s

Explanation:

Impulse equals change in momentum.

I = Δ(mv)

Since mass isn't changing:

I = m Δv

16 Ns = (2.0 kg) (v - 3.0 m/s)

v = 11 m/s

Answer:

a. E=1440KJ

b. E=360KJ

c. E=1.8 J

Explanation:

I have the power (Watts) is expressed as Energy (Joules) / Time (seconds), also I have to[tex]1hour * \frac{60min}{1hour}*\frac{60s}{1min}\\1h=3600s[/tex]

so, for the lightbulb

[tex]100W= \frac{Energy}{3600s*4}\\Energy=100W*14400s\\ E=1440000J =1440KJ[/tex]

Analogously, for the microwave

[tex]1200W= \frac{Energy}{60s*5}\\Energy=1200W*300s\\ E=360000J =360KJ[/tex]

Now, I have to express the efficiency as Heat energy / power * 100 so[tex]1.8= \frac{Heat Energy}{100W}*100\\Heat Energy=1.8J[/tex]

Done

Answer:

2020 days

Explanation:

The half life equation is:

A = A₀ (½)^(t / T)

where A is the final amount, A₀ is the initial amount, t is the amount of time, and T is the half life.

Here, A = 1.25 mg, A₀ = 2.50 mg, and T = 2020 days.

1.25 = 2.50 (½)^(t / 2020)

0.5 = ½^(t / 2020)

1 = t / 2020

t = 2020

It takes 2020 days.

The time required before a 2.50-mg sample of 146 61 pm is reduced to 1.25mg is 2020 days.

Half life is the time taken  by a radioactive material for the radioactivity of  to reduce by half its original value.

The half life equation is:

A = A₀ (½)^(t / T)

where A is the final amount, A₀ is the initial amount, t is the amount of time, and T is the half life.

Given is the value of A = 1.25 mg, A₀ = 2.50 mg, and T = 2020 days.

1.25 = 2.50 (½)^(t / 2020)

0.5 = ½^(t / 2020)

1 = t / 2020

t = 2020

Thus, time taken is 2020 days.

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Answer:

The net force on the box is 30 N to the right.

Explanation:

To find the net force on the box, we must add all of the forces together. In order to do this successfully, we must establish a positive and a negative direction. Let’s say that the positive direction is towards the right and the negative direction is towards the left.

Knowing this, we can set up the following equation:

Net force = F1 + F2

Now we can substitute in our known values for the forces given in the problem.

Net force = 60 N + (-30 N)

If we simplify and solve, we get

Net force = 60-30 = 30 N

Since we established the right as the positive direction, we know that the answer is 30 N to the right. If we think about this problem conceptually, this answer makes sense because the 30 N force to the left cancels out 30 N of the force towards the right, because they are acting in opposite directions.

Hope this helps!

Answer:

Decrease concentration decrease reaction rate.

Decrease surface area increase reaction rate

Answer:

[tex]L_A = 9 L_B[/tex]

Explanation:

The formula that relates the luminosity of a star (L) to its radius (R) and the temperature (T) is

[tex]L=\frac{R^2}{T^4}[/tex]

For star B, we can write:

[tex]L_B=\frac{R_B^2}{T_B^4}[/tex]

For star A, we have

[tex]T_A = 2 T_B\\R_A = 12 R_B[/tex]

So the luminosity of star A is

[tex]L_A=\frac{R_A^2}{T_A^4}=\frac{(12 R_B)^2}{(2 T_B)^4}=\frac{144 R_B^2}{16 T_B^4}=9\frac{R_B^2}{T_B^4}=9 L_B[/tex]

Answer: A device that uses infrared sensors.

Explanation:

Answer:

a device that uses infrared sensors to create pictures that show variations in temperature

Explanation:

Gradpoint