A typical steam jet shoots 3 kg of 180°C water vapor onto an intruder. How much energy is released by the cooling of the water vapor from 180°C down to the point where it can condense, 100°C? Specific heat of water vapor is 2020 J/kg°C

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical