An object at rest is suddenly broken apart into two fragments by an explosion one fragment acquires twice the kinetic energy of the other what is the ratio of their masses

Answer:

True

Explanation:

Information is data being sent and received it generally carries meaning behind it. Attention is the process by which a person can selectively concentrate on a specific part of information

If a person is sending another person information that the receiver cannot understand it is meaningless to the receiver. However, if the receiver can understand the meaning of the information then the receiver pays attention the information.

We can calculate the velocity (v) of a wave by multiplying frequency (f) by its wavelength (λ). This can be said quantitatively as:

v = f × λ

Hope this helps! 

We can determine the velocity of a wave when given the frequency and wavelength is given.

A wave's frequency essentially indicates how frequently waves happen. In other words, frequency is the quantity of finished wave cycles in a given time interval or the quantity of waves passing a given place in a given time interval, such as per second.

High frequency waves are those that pass a certain place more frequently or that complete more cycles per second. Low-frequency waves travel farther and take longer to reach their destination.

Wavelength can be defined as the distance between two successive crests or troughs of a wave. It is measured in the direction of the wave.

We can determine the velocity of a wave when given the frequency and wavelength.

To learn more about frequency refer to link:

brainly.com/question/5102661

 #SPJ5

The total amount of energy remains constant in an isolated system. It implies that energy can neither be created nor destroyed, but can be change from one form to another.

A)

The correct answer is All three bulbs will glow. Closing the circuit allows energy to flow through all three bulbs.

Final answer:

The maximum height reached by the projectile is approximately 35.77 meters.

Explanation:

To find the maximum height of a projectile, we can use the equation h = (v₂sin²Θ)/2g, where h is the maximum height, v is the initial velocity, Θ is the launch angle, and g is the acceleration due to gravity. In this case, v = 35 m/s and Θ = 32°. We need to convert the launch angle to radians, so Θ = 32° * (π/180°) = 0.558 radians.

Plugging the values into the formula, we get h = (35₂sin²(0.558))/(2*9.8) = 35.77 meters. Therefore, the maximum height reached by the projectile is approximately 35.77 meters.

The number of protons and neutrons in its nucleus can be determined with the help of the following process:

Thus, the correct option for this question is C.

Protons may be defined as the type of subatomic particles that are significantly present in the nucleus of an atom along with neutrons. These subatomic particles are positively charged in nature. Protons were discovered by Ernest Rutherford.

An atomic number of an element may be characterized as the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing the number of protons in the nucleus.

The number of neutrons may be calculated with the difference between the mass number of the atom and the atomic number.

Therefore, the correct option for this question is C.

To learn more about Atomic numbers and atomic mass, refer to the link:

https://brainly.com/question/338808

#SPJ2

To find acceleration using time and distance, you determine the change in velocity and divide it by the time elapsed. You can also use the relationship distance = velocity x time, derived from speed = distance/time. The SI units for acceleration are m/s².

To find acceleration given time and distance, you need to understand the underlying physics principle - Newton's second law of motion. Here's a step-by-step process:

Therefore, with known values of time and distance, you can find the acceleration. Remember, the SI units for acceleration are m/s² (metres per second squared).

https://brainly.com/question/2303856

#SPJ12

Answer:

1.8 × 102 newtons radially inward

Answer:

The centripetal force will be 180 N inward.

Explanation:

Given that,

Mass = 4.0 kg

Radius = 0.80 m

Speed = 6.0 m/s

The centripetal force is define as the mass multiplied by tangential velocity squared, divided by the radius.

The formula of the centripetal force

[tex]F = \dfrac{mv^2}{r}[/tex]

Where, m = mass

v = velocity

r = distance

We substitute the value into formula

[tex]F = \dfrac{4.0\times6.0\times6.0}{0.80}[/tex]

[tex]F= 180 N[/tex]

Hence, The centripetal force will be 180 N inward.

To find the coefficient of friction on a dry water slide, we use the fact that the bather takes one third the time to slide down when it's wet. This implies an acceleration due to friction, which we can relate back to the coefficient of friction using the right equations.

The student is trying to find the coefficient of friction on a dry slide. To do this, we need to use the equations for motion on an inclined plane. The two primary forces here are the gravitational force pulling the bather down the slide and the frictional force opposing this movement. The gravitational force, parallel component, is mg sinθ, while the frictional force is μmg cosθ. On a smooth slide, acceleration of a sliding body is given by g sinθ. When friction comes into play, the acceleration becomes g (sinθ - μ cosθ). Given that the bather's time on the slide is one third when it's wet (indicating friction is negligible), the frictional force on the dry slide was causing the bather to take three times longer due to hindrance.

To find the coefficient of friction μ, we can use these formulas. Since speed = distance/time and distance, on both wet and dry slide, stays the same, the time ratio should equate to the square root of the acceleration ratio. We can set up the equation as: √(1/3) = (sinθ - μ cosθ) / sinθ, and solve for μ.

https://brainly.com/question/34782099

#SPJ2

Answer:

False

Explanation:

The density is mass divided by volume

The different colors in a line spectrum represent the different wavelengths of light emitted or absorbed by an element. Each element has a unique line spectrum because of the arrangement of electrons in its atoms.

The different colors in a line spectrum represent the different wavelengths of light emitted or absorbed by an element. Each element has a unique line spectrum because the wavelengths of light it emits or absorbs are specific to that element. This uniqueness is due to the arrangement of electrons in the element's atoms and the energy levels they occupy.

The different colors in a line spectrum represent the different wavelengths of light emitted or absorbed by an element. Each element has a unique line spectrum because of the arrangement of electrons in its atoms.

https://brainly.com/question/27494244

#SPJ11

The first movement of a classical symphony is typically composed in sonata form and features a fast tempo. The sonata form includes three sections: exposition, development, and recapitulation.

The first movement of a classical symphony is usually fast-paced and composed in a sonata form. Sonata form, also known as first-movement form, consists of three main sections: the exposition, the development, and the recapitulation. The exposition introduces the main musical themes, the development elaborates and changes these themes, and the recapitulation reprises these themes. This structure is often found in the first movements of classical symphonies, although there are exceptions.

https://brainly.com/question/5859271

#SPJ6

It doesn't flip the image, it's incredibly affordable, and the photograph is in three dimensions. The limited resolution, low amplification, and solely intended for exterior assessment are drawbacks.

A lens is a transmissive optical tool that employs refraction to focus or disperse a light beam. The power of the lens is expressed in the dioptre which is the reciprocal of the focal length of the lens.

The image formation through the lens is calculated with the help of the lens formula given as follows

1/f = 1/v - 1/u

With a high-power optical viewfinder, you can "zoom" in closer to the item being observed and observe more detail thanks to the increased degree of magnifying it offers. A lower power lens will, however, offer a larger field of view.

Learn more about the lens from here, refer to the link;

brainly.com/question/766997

#SPJ2

Nuclear power is particularly beneficial in areas with high population concentrations and where there are few other energy resources. Due to uranium's high energy efficiency, the environmental impact is minimized, and it's a carbon-free power source, helping combat global warming. However, its benefits need to be weighed against potential safety and sustainability risks.

In which situations is nuclear power most beneficial? Nuclear power is most advantageous in scenarios where there are few other energy resources and in high-concentration population centers. The benefits of nuclear energy over fossil fuels are numerous, particularly when it comes to the efficiency of uranium. This substance generates significantly more power per unit weight or volume than coal, meaning less material needs to be mined, thus reducing environmental impact. In addition, nuclear power does not emit carbon dioxide during operation, making it a strong contender for reducing global warming.

Contrary to the proximity of fossil fuel supplies, nuclear power does not rely on nearby sources of fossil fuels, making it beneficial for isolated locations where transportation of fossil fuels would be logistically challenging or expensive. Likewise, for areas with a high concentration of people, the scalability and high-energy yield of nuclear power can meet the substantial electricity demands more effectively. However, when it comes to regions with scattered populations such as few people in scattered towns, distributed generation technologies like solar and wind might be more suitable and cost-effective.

It is essential, however, to weigh these advantages against the sustainability and safety concerns associated with nuclear power. The production of dangerous waste that must be stored safely for thousands of years, the potential for nuclear proliferation, and the risk of accidental radiation leaks are crucial factors that need to be considered carefully by scientists, policy makers, and citizens alike.

Nuclear power is most beneficial in 1. if there is a high concentration of people, 3. if there is an isolated locations, and 4. if there are few other energy resources.

Nuclear power is beneficial in certain situations due to its capability to generate large amounts of energy without emitting air pollutants like fossil fuels. Here are the most suitable situations for nuclear power:

Other situations, such as having nearby supplies of fossil fuels or having few people in scattered towns, might not derive as much benefit from nuclear energy due to the cost and scale of nuclear power plants.

The correct explanation is that a wave is caused by a disturbance that transfers energy from one place to another without the transfer of matter.

A wave is a disturbance that travels through a medium or space, transporting energy from one location to another. The disturbance can be initiated by various sources.

For example, when a stone is dropped into a pond, the impact causes a splash and a series of ripples to move outward across the water's surface. These ripples are waves. Similarly, sound waves are caused by vibrations of objects, which create disturbances in the air, and seismic waves are generated by the sudden movement of rock within the Earth's crust.

 In all cases, waves are characterized by their ability to transport energy without the physical transport of the medium's particles. The particles of the medium (such as water, air, or rock) oscillate about their equilibrium positions as the wave passes through, and this oscillation is what carries the wave's energy.

The energy of the wave can cause subsequent particles to oscillate, thus propagating the disturbance through the medium.

The nature of the wave (whether it is transverse, longitudinal, or a combination of both) depends on the direction of the particles' oscillations relative to the direction of energy transfer.

In summary, the cause of a wave is an initial disturbance that sets particles of a medium into motion, creating a pattern that moves through the medium, carrying energy with it.

This disturbance can be the result of various forces or events, such as mechanical vibrations, gravitational pulls, or nuclear reactions, and the specific characteristics of the wave will depend on the properties of the medium and the nature of the disturbance.

The plane's displacement value is 212.13  km.

After taking off, a plane travels in a straight line and ends up 190  km further east and 800.0 km farther north than it began. 

For this, we ought to apply Pythagoras's theorem. 

Distance 2 = 190^2 + 80^2 =212.13   km,

which, rounded out, equals about 212.13  km.

190^2 + 80.0^2 = 45000

[tex]\sqrt{45000}[/tex]

212.13

The plane's displacement value is 212.13  km.

To learn more about displacement value refer to:

https://brainly.com/question/3928009

#SPJ2

The value of the constant needed to complete the equation is the Rydberg constant for hydrogen, which has a value of 1.09737 × 10^7 m^-1. When expressed in joules with three significant figures, it is approximately 2.18 × 10^-18 J.

Explanation:

The constant needed to complete the equation e = constant × (1nf2−1ni2) is called the Rydberg constant for hydrogen. The Rydberg constant has a value of 1.09737 × 107 m-1. To express this constant in joules with three significant figures, we can use the conversion factor between meters and joules, which is provided as 1 meter = 1.99 × 10-25 joules. Multiplying the Rydberg constant by this conversion factor gives us a value of 2.18 × 10-18 joules.

Learn more about Rydberg constant here:

https://brainly.com/question/29673026

#SPJ6

Answer:

Option A is the correct answer

Explanation:

Let i represent positive X axis ( east).

A truck moves 60 kilometers east from point A to point  B

       Displacement = 60 i km

       Distance = 60 km

At point B, it turns back west and stops 15 kilometers away from point  A

       Displacement = -45 i km

       Distance = 45 km    

Total

       Displacement =60 i - 45 i = 15 i km Towards east

       Distance = 60+ 45 = 105 km    

Option A is the correct answer

Final answer:

Collaboration and communication in science are key to disseminating research findings and advancing scientific knowledge. Through collaboration and peer review, scientific work is validated and can be further built upon. Effective communication also helps in securing funding and informing the public.

Explanation:

Collaboration and communication are crucial in science because they enable the dissemination of research findings and the advancement of scientific knowledge. Through collaboration, scientists can plan, conduct, and analyze research collectively, which enhances the quality and impact of their work. Effective communication is necessary for sharing results beyond the confines of conferences and meetings, achieving this through peer-reviewed publications. These publications undergo a process of peer review to ensure that the research is original, significant, logical, and thorough. This process also allows other scientists to reproduce the experiments and expand upon the findings, creating a foundation for further discovery and innovation.

Furthermore, effective communication skills are critical when interacting with funding agencies or the general public to convey the importance and relevance of scientific work. Without transparent communication and open collaboration, scientific progress would be stymied, and opportunities for new discoveries may be lost. Additionally, successful collaboration often relies on technology to bridge geographical distances, allowing for ongoing dialogue and exchange of ideas without the necessity of being in the same physical location.

Answer:

Explanation:8.0m/s

Answer:

[tex]W=K_f -K_i = \frac{1}{2}mv_f^2 -\frac{1}{2}mv_i^2[/tex]

Explanation:

The work-energy theorem states that the amount of work done is equal to the variation of kinetic energy of the object, therefore:

[tex]W=K_f -K_i = \frac{1}{2}mv_f^2 -\frac{1}{2}mv_i^2[/tex]

Where:

m is the mass of the object

[tex]v_i[/tex] is the initial velocity of the object

[tex]v_f[/tex] is the final velocity of the object