A 26 g metal ball is shot from a toy cannon into a 26.2 kg block of wood attached to wires and free to swing. When the metal hits the wood, it stays in the block and the block swings upward with a maximum height of 0.70 m. whats the velocity of the block and ball right after the block hits, and whats the velocity of the metal ball right before it hits.

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?