A girl throws a rock horizontally from a bridge that is 24 m above the water. It lands in a toy boat that is 18 m away from the base of the bridge where she stands. With what speed was the rock thrown, assuming negligible air resistance?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

What’s the kinetic energy of the object? use . erica is competing in the shot put event at a track meet. she hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. the shot’s kinetic energy is joules.

What is the angle of inclination of a mirrors in a periscope