Atiger runs one kilometer. the tiger does 15,000 j of work and has a total power output of 500 w. how many seconds soes it take the tigar to run the distance?

Which statement about covalent bonds is true

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.

Identify the type of heat transfer occurring when chocolate melts in your hand