Which of the following is an example of a speed? A. 7 km/hr west
B. 12 m/s2 east
C. 3 m/s south
OD. 11.5 km/hr

Which statement best explains why an object weight less on mercury than it does on earth

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.