Determine the speed with which the earth would have to rotate on its axis so that a person on the equator would weigh `3//5` the as much as at present. Take the equatorial radius as 6400 km.

Determine the speed with which the earth have to roate on its axis so that a person on the equator would weigh 2//5th as much as at present. Take the equatorial radius as 6400 km .

Determine the speed with which the earth would have to roate on its axis , so that a person on the equator would weigh (3)/(5) th as nuch as at person. Take R = 6400 km .

If the earth has no rotational motion, the weight of a person on the equation is W. Detrmine the speed with which the earth would have to rotate about its axis so that the person at the equator will weight (3)/(4) W. Radius of the earth is 6400 km and g = 10 m//s^(2) .

If a man at the equator would weigh (3//5) th of his weight, the angular speed of the earth is

What would be the time period of rotation of earth so that the bodies at the equator would weight 40% of their actual weight?

What should be the velocity of earth due to rotation about its own axis so that the weight at equator become 3/5 of initial value. Radius of earth on equator is 6400 km

If the earth stops rotating about its axis , then what will be the change in the value of g at a place in the equitorial plane ? Radius of the earth = 6400 km.

Find the duration of the day if the rotation of earth about its axis speeds up in such a way that a person on the equator feels weightlessness.