A70 kg hockey player traveling at 6 m/s collides directly with a 76 kg player traveling at -5.4 m/s. which way do they go after the collision and what is their velocity after the collision? (assume that the players stick together after colliding).

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.

Aball horizontally thrown from a cliff at 8m/s