The temperature of an air foundry increases when molten metals cool and solidify. Suppose 9,900,000 J of energy is added to the surrounding air by the solidifying metal.
The air's temperature increases by 55K, and the air has a specific heat capacity of 1000 J/kg*K.

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward