The angle made by an area of a sphere at its centre equal to 2 times the square of its radius is a.. one degree b..two degree c..one revolution d..2 steradian..

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.