While punting a football, a kicker rotates his leg about the hip joint. the moment of inertia of the leg is 3.75 kg⋅m² and its rotational kinetic energy is 175 j.
(a) what is the angular velocity of the leg?
(b) what is the velocity of the tip of the punter's shoe if it is 1.05 m from the hip joint?

Which statement best explains why an object weight less on mercury than it does on earth

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?