A roller coaster is released from the top of the track that is 125 m high. Find the roller coaster speed when it reaches ground level?

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader