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Did you know?
A bolt of lightning heats the surrounding air to ~30,000 K — five times hotter than the Sun's surface.
Did you know?
A bolt of lightning heats the surrounding air to ~30,000 K — five times hotter than the Sun's surface.
The work done to raise a mass from the surface of the earth to a height which is equal to the radius of the earth, is:
To solve this problem, we need to calculate the work done to raise a mass from the surface of the Earth to a height equal to the radius of the Earth The gravitational potential energy at a distance from the center of the Earth is given by:
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