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The gravitational potential energy of a system consisting two particles separated by a distance r
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The mass of the earth is `6.00 xx 10^(24) kg` and that of the moon is `7.40 xx 10^(22) kg`. The constant of gravitation `G=6.67 xx 10^(-11) N-m^2kg^(-2)`. The potential energy of the system is `- 7.79 xx 10^(28)J`.The mean distance between the earth and the moon
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Two point masses `m_1 and m^2` are separated by a distance `r`. The gravitational potential energy of the system is `G_1`. When the separation between the particles is doubled, the gravitational potential energy is `G_2` . Then, the ratio of `G_1/G_2`
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Gravitational potential energy of a system of particles as shown in the figure
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Escape velocity of a body on the surface of earth is independent
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An object is thrown from the surface of the moon. The escape speed for the object
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A body is projected vertically upwards from the surface of a planet of radius `R` with a velocity equal to 1/3rd of the escape velocity for the planet. The maximum height attained by the body
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Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of escape velocity `(v_A)/(v_B)`
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Escape velocity on earth is `11.2 kms^(-1)`, what would be the escape velocity on a planet whose mass is 1000 times and radius is 10 times that of
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The time period of a satellite in a circular orbit around a planet is independent
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An artificial satellite is revolving around the earth, close to its surface. Find the orbital velocity of artificial satellite? (Take, radius of earth = 6400
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Two satellites A and B go around a planet P in circular orbits having radius `4 R and R`, respectively. If the speed of satellite A is `3v`, then the speed of satellite B will
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An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy `E_0`. Its potential energy and kinetic energy respectively
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The kinetic energy of the satellite in a circular orbit with speed `v` is given
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The time period of geo-stationary satellite
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Geo-stationary satellites are placed in equatorial orbits at the height
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An astronaut experiences weightlessness in a space satellite. It is
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A pendulum beats sounds on the earth. Its time period on a stationary satellite of the earth will
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Weight of a body is maximum at
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The ratio of the magnitude of potential energy and kinetic energy of a satellite is
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