A 25.0 kg iron weightlifting plate has a volume of 3180 cm3 . What is the density of the iron plate in g/cm3

What is the momentum of a 2 kg object moving at 15 meters per second

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?