How much power is used if an athlete lifts a 50N weight up 2 meters in 10 seconds?

What is the final velocity of the initial velocity of 25 and -50?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

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.