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State two essential requisites of geostationary
asked
Mar 19, 2022
in
11th Physics
marks2
chapter8
#sub
0
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0
answers
Show that an artificial satellite circling round the earth in an orbit of radius obeys keeper’s third
asked
Mar 19, 2022
in
11th Physics
marks2
chapter8
#sub
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A 400kg satellite in a circular orbit of radius 2 Re about the earth calculate the kinetic energy potential energy and total energy of the satellite? `R_E = 6.4xx10^6m M = 6xx10^(24)kg`
asked
Mar 19, 2022
in
11th Physics
marks2
chapter8
#sub
0
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0
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Two uniform solid spheres of radii R and 2R are at rest with their surfaces just touching. Find the force of gravitational attraction between them if density of spheres be
asked
Mar 19, 2022
in
11th Physics
marks3
chapter8
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Find expressions for (1) potential energy (2) kinetic energy (3) total energy for an artificial
asked
Mar 19, 2022
in
11th Physics
marks3
chapter8
#sub
0
votes
0
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The gravitational force between two blocks is F what would happen if a mass of both the blocks as well as distance between them is
asked
Mar 19, 2022
in
11th Physics
marks1
chapter8
#sub
0
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0
answers
A body is weightless at the centre of earth.
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Mar 19, 2022
in
11th Physics
marks1
chapter8
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0
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0
answers
Where will a body weigh more at Delhi or at Shimla?
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Mar 19, 2022
in
11th Physics
marks1
chapter8
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Find an expression for the weight of a body at the centre of the
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Mar 19, 2022
in
11th Physics
marks2
chapter8
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0
votes
0
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Find an expression for gravitational intensity due to earth at a point on its free
asked
Mar 19, 2022
in
11th Physics
marks2
chapter8
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0
answers
The earths mass is 80 times that of moon and their diameters are in the ratio 4:1 respectively. What is the value of g on
asked
Mar 19, 2022
in
11th Physics
marks2
chapter8
#sub
0
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0
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Determine the value of g at the bottom of an ocean 7km deep Given that radius of earth is 6370 km and g =
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Mar 19, 2022
in
11th Physics
marks2
chapter8
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Show that value of g at a height h is same as the value of acceleration due of gravity at a depth `d =
asked
Mar 19, 2022
in
11th Physics
marks2
chapter8
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0
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If T be the period of satellite revolving just above the surface of a planet whose average density is p, show that `PT^2` is a universal
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Mar 19, 2022
in
11th Physics
marks2
chapter8
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0
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Define Gravitational potential energy Hence deduces an expression for gravitational potential energy of a body placed at a point sear the surface of
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Mar 19, 2022
in
11th Physics
marks5
chapter8
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Why is gravitational potential energy always
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Mar 19, 2022
in
11th Physics
marks1
chapter8
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At what height above the surface of the earth value of acceleration due to gravity is reduced to one fourth of its value on the surface of the
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Mar 19, 2022
in
11th Physics
marks1
chapter8
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Name two factors which determine whether a planet has atmosphere or
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Mar 19, 2022
in
11th Physics
marks1
chapter8
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0
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What is kepler’s law of periods? Show it
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Mar 19, 2022
in
11th Physics
marks2
chapter8
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With two characteristics of gravitational
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Mar 19, 2022
in
11th Physics
marks2
chapter8
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