A 1,303-kg car coasts down a hill 47 m high with its engine off and the driver's foot pressing on the brake pedal. At the top of the hill the car's speed is 6 m/s and at the bottom it is 16 m/s. How much energy was converted into heat on the way down?

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as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!

elctricity and magnet is conversion to it