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Q. The summit of a mountain, 2450 m above base camp, is measured on a map to be 4580 m horizontally from the camp in a direction 32.4 degree west of north. What are the components of the displacement vector from camp to summit? What is its magnitude? choose the x axis east, y axis north, and z axis up

Q. To keep a room at a comfortable 21.0°C a Carnot heat pump does 345 J of work and supplies it with 3240 J of heat.

(a) How much heat is removed from the outside air by the heat pump?

(b) What is the temperature of the outside air?

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  • Category:- Physics
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