All sound waves move at nearly the same speed through the air. high-frequency sound waves have a shorter and a higher than low-frequency sound waves?

What properties of a moving object are used in determining the object's energy of motion

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.