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Textbook Solutions-11th-MH

What will be the change in potential energy of a body of mass m when it is raised from height R, above the Earth’s surface to 5/2 R, above the Earth’s surface? R and M, are the radius and mass of the Earth respectively.

Textbook Solutions-11th-MH

Find the gravitational force between the Sun and the Earth. Given Mass of the Sun = 1.99×10^30 kg Mass of the Earth = 5.98×10^24 kg. The average distance between the Earth and the Sun is 1.5×10^11 m.

Textbook Solutions-11th-MH

At what distance below the surface of the Earth, the acceleration due to gravity decreases by 10% of its value at the surface, given radius of Earth is 6400 km.

Textbook Solutions-11th-MH

At what distance above the surface of Earth the acceleration due to gravity decreases by 10% of its value at the surface? (Radius of Earth = 6400 km)

Textbook Solutions-11th-MH

Find the acceleration due to gravity on a planet that is 10 times as massive as the Earth and with radius 20 times of the radius of the Earth (g = 9.8 m/s2).

Textbook Solutions-11th-MH

Calculate the acceleration due to gravity on the surface of moon if mass of the moon is 1/80 times that of the Earth and diameter of the moon is 1/4 times that of the Earth (g = 9.8 m/s2)

Textbook Solutions-11th-MH

Calculate mass of the Earth from given data, Acceleration due to gravity g = 9.81 m/s2, Radius of the Earth RE = 6.37 × 106 m, G = 6.67 × 10-11 N m2/kg2

Textbook Solutions-11th-MH

Three particles A, B and C, each of mass m, are placed in a line with AB = BC = l. Find the gravitational force on a fourth particle P of same mass, placed at a distance l from the particle B on the perpendicular bisector of the line AC.

Textbook Solutions-11th-MH

The gravitational force between two bodies is 1 N. If distance between them is doubled, what will be the gravitational force between them?

Textbook Solutions-11th-MH

What would be the average duration of year if the distance between the Sun and the Earth becomes. (i) thrice the present distance. (ii) twice the present distance.

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