A car of mass 800 kg is moving at a uniform velocity of 72 km/hr. Find its momentum.
(Ans: 16000 kgm/s)

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

What kind of simple machine is a catapult?

Which of the following is the best name for mgcl2