Is this a testable question?
are cats better than dogs?
if not rewrite the question in correct format?

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?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline