What force (size and direction) must exert the hand of a ball-thrower on the ball with m = 7,25 kg, so that it accelerates evenly on a 1,7 m long 42 ° rising distance, so that after leaving the hand in 2 m above the ground and 0.5 m before the start of the test, a throw of 18 m? calculate with g = 10 m / s2.

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

How is the gravitational force related to the distance between two objects?

If a rock weighing 54 n is submerged in a liquid with a density exactly twice that of water, what will be its new apparent weight reading in the liquid?