9. Describe the motion of the car shown by the graph.
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If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?