Astudent throws a ball horizontally at 25 meters per second from a cliff 45 meters above the level ground. how far from the base of the cliff does the ball hit the ground? (neglect air resistance)

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

What property of an object determines its inertia?