Concept simulation 13.1 illustrates the concepts pertinent to this problem. a person's body is covered with 1.50 m2 of wool clothing. the thickness of the wool is 1.90 × 10-3 m. the temperature at the outside surface of the wool is 9.13 °c, and the skin temperature is 34.4 °c. how much heat per second does the person lose due to conduction?

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?