A boy throws a ball up into the air with a speed of 8.2 m/s. the ball has a mass of 0.3 kg. How much gravitational potential energy will the ball have at the top of its flight?

student drove to the university from her home and noted that the odometer on her car increased by 14.0 km. The trip took 18.0 min. (a) What was her average speed? (b) If the straight-line distance from her home to the university is 10.

Which two factors cause one part of Earth to have summer while another part is having winter?

A wave has a wave length of 20mm and a frequency of 5 hertz. What is the speed?

Calculate the translational speed of a cylinder when it reaches the foot of an incline 7.35 m high. assume it starts from rest and rolls without slipping.

Edwin hubble discovered that

In order for an object to conserve it's total mechanical energy it is absolutely necessary that?

Your body is presently converting chemical potential energy from food into thermal energy at a rate of about 100 J/s, or 100 W. If heat were flowing out of you at a rate of about 200 W, would your body temperature go up or down?

Which energy depends the arbitrarily assigned zero level

What is a transverse wave

Object moving at a constant velocity will always have a