Nova, who’s mass is 75.0 kg, stays out skiing for too long and her body temperature drops by 3 K. What is the amount of heat lost from Nova’s body? (specific heat of the human body is 3470 J/kg K)

Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude

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.

In which of the following is positive work done by a person on a suitcase