At what height is an object that weighs 490 newtons if its gravitational potential energy is 4900 j?

The slope of a velocity time graph over any interval of time gives the during that interval

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

What is the rate of change in a objects position?