An car battery sends an electrical current one direction through a circuit in the car. Based on this, what type of current is a car battery a source of? A.
direct current

B.
alternating current

C.
interval current

D.
digital current

You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

What is the angular momentum of the bar about the axle?