You are in space watching the two astronauts at rest in your frame of reference. They have identical mass, connected by a 12-m long cable, holding a heavy canister giving the center of mass to be two meters from Astronaut X. Astronaut X throws the canister to Y who catches it. How far will Astronaut move from his original position?​

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

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.

It is really hard for me right know