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Byju's Answer
Standard IX
Physics
Potential Energy
18.The energy...
Question
18.The energy required to raise a body of mass m from earth surface to height of 3R (where R is radius of earth)?
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Q.
If a body of mass m has to be taken from the surface to the earth to a height h = R, then the amount of energy required is (R = radius of the earth)
Q.
Energy required to move a body of mass
m
from an orbit of radius
2
R
to
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R
is (where
M
=
mass of earth,
R
=
radius of earth)
Q.
Energy required in very slowly moving a body of mass
m
from a distance
2
R
to
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(where
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is radius of earth) from centre of earth of mass
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Q.
The ratio of the energy required to raise a satellite upto a height R (radius of earth) from the surface of earth to that required to put it into orbit there is
Q.
At a height
H
from the surface of the earth, the total energy of a satellite is equal to the potential energy of a body of equal mass at a height of
3
R
from the surface of earth (
R
=
Radius of the earth). The value
of
H
is:
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