Calculate the momentum of the following objects. All answers must be given in units of kg m/s.

a) A cannonball of mass 8 kg moving at 32 m/s.

Who was the first scientist to measure speed as distance over time?

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

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)