Which dog has the most kinetic energy?
A. A dog of mass 13 kg running with speed 3 m/s
B. A dog of mass 12 kg running with speed 4 m/s
c. A dog of mass 14 kg running with speed 2 m/s
D. A dog of mass 11 kg running with speed 5 m/s

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

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.

What is the angular momentum of the bar about the axle?