Question

Find the angular speed of te volution of
earth required so that the body
surface at equator whould feel no
no weight
on its​

Answer 1

The apparent weight of the person on the equator is given by:

W

′

=W−mR

e

ω

2

g

′

=g−R

e

ω

2

Now, g

′

=0 (weightless)

g−R

e

ω

2

=0

ω=

R

e

g

=

6.4×10

6

10

=1.25×10

−3