During most nuclear reactions a. heat energy is produced but not light energy. b. energy is transferred out of the system. c. energy is lost as cold fusion. d. energy is created in the system.

Sound is a disturbance that travels through a medium as a

The statue of liberty is 305.5 feet high. when the angle of elevation of the sun is 50 , what is the distance to the tip of the shadow from a point at water level and directly below the highest point of the statue?

What is the potential energy possessed by a rock of mass 4kg projected to a height of 2m (g=10m/s2)