A ball is thrown straight up in the air. If it takes the ball 2 seconds to reach its maximum height, what is the initial velocity?

The force will determine the acceleration.

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

Name the non metal condut electricity