A 2kg ball rolls down the hill. By the time it is at the bottom the balls kinetic energy is 25 J. What is the velocity at the bottom of the hill

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)

In which of the following is positive work done by a person on a suitcase

What can change the speed of sound as it travels through the ocean? a. salinity only b. density and salinity c. salinity and distance from land d. density and distance from land