What is the momentum of a 35.0 kg cannonball fired from a cannon with a velocity of 500.0 m/s?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

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

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?