You serve a volleyball with a mass of 2.1kg. The ball leaves your hand with a speed of 30m/s. The ball has energy. Calculate it.

Plss anybody know how to do this? ? i need the answers from a through d

How are momentum and impulse related? impulse is a whim to do something, while momentum keeps it going impulse is another name fore instantaneous momentum the impulse acting on and object is equal to the change of momentum it causes. the impulse that acts on and object is the momentum that results.

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?