Home
Class 11
PHYSICS
If the earth has no rotational motion, t...

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)`.

A

`0.28 xx 10^(-3)` rad/s

B

`1.1 xx 10^(-3)` rad/s

C

`0.83 xx 10^(-3)` rad/s

D

`0.63 xx 10^(-3)` rad/s

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

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) as much as at present. Take R = 6400 km .

If the speed of rotation of earth about its axis increases, then the weight of the body at the equator will

What is the time period of rotation of the earth around its axis so that the objects at the equator becomes weightless ? ( g = 9.8 m//s^(2) , Radius of earth= 6400 km)

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

With what speed should the earth rotate in order that the weight of a man on the equator is reduced to half his present weight , if the radius of the earth is 6400km.

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

The angular speed of earth is "rad s"^(-1) , so that the object on equator may appear weightless, is (radius of earth = 6400 km)

What is the linear velocity of a person at equator of the earth due to its spinning motion? (Radius of the earth = 6400 km.)

If g on the surface of the earth is 9.8 m//s^(2) , find its value at a height of 6400 km. (Radius of the earth = 6400 km)

Suppose the earth stops rotating about its axis what will be its effect on the weight of a body.