A 40 kg shell is flying at a speed of 72 km/h. It explodes into two pieces and one piece with a mass of 15 kg stops. The velocity of the
other piece will be 32 m/s.

true or false?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.

If the area of a square has increased by a factor of 16, by how much has each side increased?

Bonds within one water molecule are examples of