give an example (but not one from the text) of a device used to measure time and identify what change in that device indicates a change in time

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane