The mass of earth.
Answer to Problem 100A
Explanation of Solution
Radius of orbit,
Period of revolution of satellite,
Formula used:
Orbital velocity of satellite is given by:
Here, G is gravitational constant, M is mass of earth and R is radius.
Velocity is also given by,
Here, T is time period and R is radius of orbit.
Calculation:
From equation 1 and equation 2.
Gravitational constant
Now, substitute the value of T, R and G.
Now, squaring both side.
Conclusion:
Therefore, mass of earth is
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