A boat with a mass of 2.52 x 103 kg drifts along a river. When it passes under a bridge, it is loaded with 1.4 x 10-kg of wood. What is the speed of
the unloaded boat if the boat after loading has a speed of 2.5 m/s?

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver

Why are nonmetals more likely to react with eachother by sharing electrons