Suppose Swrglok (heaven) is in constant motion at a speed of 0.9999c with respect to the earth. According to the earth,s frame , how much time passes on the earth before one day passes on Swarglok?

Suppose Swarglok (heaven) is in constant motion at a speed of 0.9999c with respect to the earth. According to the earth's frame , how much time passes on the earth before one day passes on Swarglok?

If the earth suddenly contracts to one third of its present radius, how much would the day be shortened ?

A pendulum which gives correct time 2 s on the ground. It is moved to an altitude 640 m above the earth. If radius of the earth is 6400 km, how much time will the pendulum lose or gain in one day ?

By how much time day would have been shorter if the earth had no atmosphere ?

How much time would a satellite in an orbit at a height of 35780 km above the earth's surface take to complete one revolution around the earth , if the mass of the earth were four times its original mass ?

If the earth suddenly contracts by one-fourth of its present radius, by how much would the day be shortened?

If the earth suddenly contracts to one third of its present size, calculate by how much would the day be shortened ?

The radius of the earth's orbit around the sun is 1.5 xx 10^(11)m . Calculate the angular and linear velocity of the earth. Through how much angle does the earth revolve in 2 days?