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Zina [86]
3 years ago
15

Take the distance between the Earth and the Sun to be 149,500,000,000 m. Calculate the velocity of the Earth in its

Physics
1 answer:
dolphi86 [110]3 years ago
8 0

The velocity of the earth in its orbit around the sun is  2.96*10^{4} m/s

Explanation

Given that the distance between sun and earth is 149500,000,000m .

This is the radius of the nearly circular orbit of the earth  around the sun.

r=149,500,000,000m= 1.49*10^{11} m

circumference=2\pi r\\=2*3.14*1.49*10^{11}  \\=9.3572*10^{11}

time =365*24*60*60\\=3.1536*10^{11} s\\velocity=distance/time\\=(9.3572*10^{11})/3.1536*10^{7} \\ =2.96*10^{4} m/s

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Fynjy0 [20]

When the pedaling cyclist uses a generator (dynamo) to light his bicycle lamp, the energy change is from mechanical to electrical.

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The law of conservation of energy states that energy can neither be created nor destroyed but can be converted from one form to another.

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Answer:

Explanation:

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