The correct answer is A. Faster
Explanation:
Sound, which is composed of vibration, travels through waves. Additionally, the speed of sound waves is affected by the medium and the density of it. Indeed, the denser the medium is the higher the speed of sound is. For example, in the air, the speed of sound is around 343 meters per second while in water and similar liquids that have a higher density the speed is approximately 1500 meters per second, and this speed increases if the sound travels through a solid. This occurs because in dense substances particles are closer, and therefore waves can travel faster. Thus, in a denser medium will generally make a sound wave travel faster.
The truck will require force to stop:
Force equals Mass x Acceleration (F = m * a)
Both vehicles will need to decelerate by 55 miles per hour, so the one with a greater mass, m, will require more force to stop. The truck has a mass of 4000 kg, which is greater than the car's
the ability to use an applied force to make an object move
Explanation:
The scientific definition of energy that relates it to work is the ability to use an applied force to make an object move.
- Energy is defined scientifically as the ability to do work.
- Work done is the force applied to make an object move in a specific direction.
Work done = Force x distance
- Since energy is the ability to do work, we are are correct to say energy is also the ability to use an applied force to make an object move.
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The amplitude of the wave is equal to the sum of the amplitudes of the two waves if the phase of the two waves is the same.
54+64=118 <span>units
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<span>Assuming that you mean waves on the surface of a large body of water (like an ocean or lake), the most probable cause of these is the wind. </span><span>The friction between the moving air and the water surface makes the water move. Hope this answers the question. Have a nice day.</span>