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Byju's Answer
Standard XII
Physics
Graph of Variation of G
Prove that ac...
Question
Prove that acceleration due to gravity at centre of the earth is zero
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Q.
What is the value of the acceleration due to gravity at the centre of earth?
Q.
At the centre of the earth acceleration due to gravity is:
Q.
If R
=
radius of the earth and g
=
acceleration due to gravity on the surface of the earth, the acceleration due to gravity at a distance (r>R) from the centre of the earth is proportional to
Q.
Calculate angular velocity of the earth so that acceleration due to gravity at
60
latitude becomes zero. (Radius of the earth
=
6400
k
m
, gravitational acceleration at poles
=
10
m
/
s
2
,
cos
60
=
0.5
)
Q.
At what height
′
h
′
from the earth surface, acceleration due to gravity becomes half as that of acceleration due to gravity on the surface of earth.
[
R
= Radius of earth]
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