A tennis balls in the air and the potential energy increases. At the same time, it’s kinetic energy___because the velocity a.) increases;increases
b.) decreases; increases
c.) decreases;decreases
d.) increases;decreases

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

Write the correct abbreviation for each metric unit

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.