HELP- FIND THE MOMENTUM OF THE CAR AFTER THE COLLISION

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

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

The discovery of the electron as a subatomic particle was a result of