Answer:
Newtons law
Explanation:
According to this law, a body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force.
(a) is a decomposition reaction
Answer:
Explanation:
Torque due to applied force along its surface is given as
here we know that
r = radius of earth =
Now we have
now we know that
initial angular speed of Earth is
final angular speed will be
so now we have
here we have moment of inertia of Earth is given as
now we have
<span>from a trough to the rest position and from a crest to the rest position.
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