The speed of an incompressible fluid is 4 m/s entering the 260 mm diameter pipe. Find the discharge and the speed in the 130 mm diameter pipe.

Asystematic approach to problem solving is called a (an)

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c