The moon takes about 27.3 days to revolve round the earth in a nearly circular orbit of radius 3.84 × 10⁵ Km. Calculate the mass of the earth from these data.
For an orbit, the time period is given by

Here, and

Putting the values, we get,

Question

The moon takes about 27.3 days to revolve round the earth in a nearly circular orbit of radius 3.84 × 10 5 Km. Calculate the mass of the earth from these data.

Philoid · Accepted Answer

For an orbit, the time period is given by

Here, and

Putting the values, we get,

The moon takes about 27.3 days to revolve round the earth in a nearly circular orbit of radius 3.84 × 105 Km. Calculate the mass of the earth from these data.

The moon takes about 27.3 days to revolve round the earth in a nearly circular orbit of radius 3.84 × 10⁵ Km. Calculate the mass of the earth from these data.