What is the average speed between the times t = 4s and t = 12 s? 0.50m/s
0.25m/s
-0.50m/s
-0.25 m/s

A250-n box is at rest on a frictionless horizotal floor. then a person shoves the box with a non-zero force of magnitude p. which statement best describes the relationship betweeen p and the motion of the box after it was shoved? -the box will not move when p< 250n but otherwise will accelerate at a constant rate that is directly proportional to p - the box will begin moving at a speed that is directly proportional to p, then will gradually slow to a halt -the box will move with constant velocity at a speed that is directly proportional to p -box will accelerate across the floor at a constant rate that is directly proportional to p

What is the coefficient of kinetic friction μk between the block and the tabletop?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?