(PLEASE ANSWER FAST) Two ropes are tied to a steel ring, and a student holds the free end of each rope. The students then pull on the ropes in a tug-
of-war. If the forces exerted by the students are unbalanced, what happens to the ring?

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Explain earth's motion, using the terms "precession" and "rotation" in your answer.