Brand new Course Package released! Get 99% off your first purchase with code “99”. Find out more!

0

Shopping cart

Close

No products in the cart.

The angular velocity of the earth with which it has to rotate so that acceleration due to gravity on 60o latitude becomes zero is (Radius of earth = 6400 km. At the poles g=10 ms-2)

(a) 2.5 × 10^-3 rad /s (b) 5.0 × 10^-1 rad /s

(c) 10 × 10¹ rad /s (d) 7.8 × 10^-2 rad /s

Answer: a

(10)

5/5 - (2 votes)

PrevPrevious62. One quarter sector is cut from a uniform circular disc of radius R. This sector has mass M. It is made to rotate about a line perpendicular to its plane and passing through the centre of the original disc. Its moment of inertia about the axis of rotation is

NextAssuming earth to be a sphere of a uniform density, what is the value of gravitational acceleration in a mine 100 km below the earth’s surface (Given R = 6400 km)Next

You May Also Like

Sign up to receive latest updates

Get in touch

Need some help?

Popular subjects

Need some help?

© 2025 Flame Institute.All rights reserved.

error: Content is protected !!