If an object feels cold to the touch, the only statement that you can make that must be correct is that
a. the object has a smaller coefficient of thermal conductivity than your hand. b. the volume of the object will increase while it is in contact with your hand. c. the object contains less thermal energy than your hand. d. the object is at a lower temperature than your hand. e. the object cannot be a liquid.
D
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A 2.0-kg object moving 5.0 m/s collides with and sticks to an 8.0-kg object initially at rest. Determine the kinetic energy lost by the system as a result of this collision.
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