An unloaded truck can travel 689 kilometers in 5 hours if the truck is loaded with fruit instead it can travel 144 fewer kilometers within the same time what is the speed of the truck loaded with fruit

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

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.

What are the north and south poles of a solenoid change with?