How many kilocalories of heat are required to melt 50.0 kg of ice at 0 degrees celsius and to raise the temperature of melted ice to 20 degrees Celsius

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

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

The energy released by a nuclear fusion reaction is produced when