What is the kinetic energy of a 1 kg ball thrown into the air with an individual velocity of 30 Emperor seconds how high into the air did the ball travel

Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground

According to the tide table below what time of day will the highest tide occur?

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work