13. How does Newton’s first law of motion relate to the atmosphere? a) air molec

Question

13. How does Newton’s first law of motion relate to the atmosphere? a) air molecules moving in the atmosphere will continue to move at a constant speed in a straight line as long as no force is exerted on the molecules b) an increase in internal energy of air molecules is equal to the amount of energy added by heating minus the energy lost as a result of work done by molecules c) the energy radiated by a cloud is directly proportional to the fourth power of the clouds temperature, assuming it is a blackbody.

Explanation / Answer

(a) Air molecules moving in the atmosphere will continue to move at a constant speed in a straight line as long as no force is exerted on the molecules. Since first law of Newton is that a body at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

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