Acar is traveling at 20 meters/second and is brought to rest by applying brakes over a period of 4 seconds. what is its average acceleration over this time interval?

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction