A metal part is placed in a calorimeter containing 1.89 g of water. If the initial temperature of the water is 21°C, and the final temperature of the part and water 31°C, what is the amount of energy transferred as heat to the water (Cp = 4.186 J/g•°C)?

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n

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?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created