A 7 kg bowling ball is lifted 2.4 m into a storage rack.
The acceleration of gravity is 9.8 m/s2.
Calculate the increase in the ball's potential
energy.
Answer in units of J.

State the right hand rule of the direction of magnetic field in a conductor carrying current

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal