Question

with what angular velocity the earth should spin in order that a body lying at 45° latitude may become weightless? ​

Answer 1

Answer:

Correct option is

D

3R

4g

the apparent weight of a person on the Lattitude at

α= 30

W

′

=W−mR

e

cos

2

α×ω

2

g

′

=g−R

4

3

×ω

2

g

′

=0

ω=

3R

4g