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Textbook Solutions-11th-MH

A planet has mass 6.4 × 10^24 kg and radius 3.4×10^6 m. Calculate energy required to remove on object of mass 800 kg from the surface of the planet to infinity.

Textbook Solutions-11th-MH

Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4×10^3 km and its mass is 6.4×10^23 kg.

Textbook Solutions-11th-MH

Calculate the speed of a satellite in an orbit at a height of 1000 km from the Earth’s surface. M=5.98×10^24 kg, R = 6.4×10^6 m.

Textbook Solutions-11th-MH

Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 ×1024 kg, R = 6400 km).

Textbook Solutions-11th-MH

Two satellites A and B are revolving round a planet. Their periods of revolution are 1 hour and 8 hour respectively. The radius of orbit of satellite B is 4×104 km. find radius of orbit of satellite A.

Textbook Solutions-11th-MH

Calculate the kinetic energy, potential energy, total energy and binding energy of an artificial satellite of mass 2000 kg orbiting at a height of 3600 km above the surface of the Earth. Given:- G=6.67×10-11 Nm2/kg2 R=6400 km M = 6×1024 kg

Textbook Solutions-11th-MH

If the Earth were made of wood, the mass of wooden Earth would have been 10% as much as it is now (without change in its diameter). Calculate escape speed from the surface of this Earth.

Textbook Solutions-11th-MH

An artificial satellite revolves around a planet in circular orbit close to its surface. Obtain the formula for period of the satellite in terms of density p and radius R of planet.

Textbook Solutions-11th-MH

Calculate the period of revolution of a polar satellite orbiting close to the surface of the Earth. Given R = 6400 km, g = 9.8 m/s2.

Textbook Solutions-11th-MH

Show that the critical velocity of a body revolving in a circular orbit very close to the surface of a planet of radius R and mean density p is 2R

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