Which of these is the best example of heat transfer by radiation? * 1 point

a) A satellite is warmed by sunlight.

b) A ceiling fan cools a warm room.

c) Butter melts on warm bread.

d) Puddles of water cool a warm tile floor.

The correct answer is a) A satellite is warmed by sunlight.

Explanation:

Heat transfer by radiation occurs when microwaves, infrared radiation, visible light, or another form of electromagnetic radiation is emitted or absorbed. An obvious example is the warming of the Earth by the Sun. A less obvious example is thermal radiation from the human body.

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement

total distance/total time

(85 + 82)/(5+3)

167/8

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