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The height at which the weight of a body becomes 1/16th of its weight, on the surface of the earth (radius R),

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The radius of earth is R. Height of a point vertically above the earth’s surface at which acceleration due to gravity becomes 1% of its value at the surface

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What will be the value of g at the bottom of sea 7 km deep? Diameter of the earth is 12800 km and gon the surface of the earth is `9.8

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Starting from the centre of the earth having radius R, the variation of g (acceleration due to gravity) is shown by which of the following option

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Dependence of intensity of gravitational field `(E)` of earth with distance `(r)` from centre of earth is correctly represented

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A thin rod of length `L` is bent to form a semicircle. The mass of rod is `M`. What will be the gravitational potential at the centre of the

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A particle is kept on the surface of a uniform sphere of mass 100 kg and radius 10 cm. Find the work to be done per unit mass against the gravitational force between them, to take the particle far away from the sphere (you may take `h=6.67 xx 10^(-11) Nm^2kg^(-2))`

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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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

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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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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