Hakeem throws a 8.0 g ball straight down from a height of 2.0 m. The ball strikes the floor at a speed of 7.6 m/s. What was the initial speed of the ball

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

Work = force × a. work b. energy c. distance d. momentum