A ball with a mass of 0.200 kg is thrown straight down at the floor. It strikes the floor at a speed of 10.0 m/s and bounces straight upward with a speed of 6.00 m/s. What impulse
is applied to the ball?

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

The softest and hardest minerals are: softest hardest

What part of the ear is names after tools, such as the hammer and the anvil?