A 65-kg person on in-line skates pushes against a wall, and recoils with an acceleration of 3.3 m/s2. What force does the wall exert on the person?

Does heating a metal wire increase or decrease its electrical resistance? why?

What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon

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.