You are playing baseball and hit a single, running to first base. Your distance and displacement are Answer choices:
A. Both 90 feet

B. Both 0 feet

C. Distance 90 feet Displacement 0 feet

D. Distance 0 feet Displacement 90 feet

The energy produced as a result of this flow of electrons from atom to atom is called

Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly

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.