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Did you know?
The observable universe is ~93 billion light-years across ā and it's still expanding.
Did you know?
The observable universe is ~93 billion light-years across ā and it's still expanding.
A body weighs N on the surface of the earth. How much will it weigh half way down to the centre of the earth?
N
N
N
N
To solve this problem, we need to understand how gravity changes as we move inside the Earth.The weight of a body is given by where is the acceleration due to gravity.On the surface of the Earth, the weight of the body is
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