Physics questions
20027 published questions with worked solutions.
- The acceleration due to gravity on the earth of radius R_e is g_e and that on the moon of radius R_m is g_m. The ratio of the...
- At what height from earth's surface will that gravitational potential be -5.12 10^ 7 J/kg and acceleration due to gravity 6.4...
- The distance between center of the earth and moon is 384000 km. if the mass of the earth is 6 10^ 24 kg and G=6.66 10^ -11...
- The value of gravitational acceleration at a height equal to radius of earth, is
- The binding energy of a satellite of mass m in an orbit of radius r is (R=radius of earth, g=acceleration due to gravity )
- A force of gravitation between two bodies of mass 1 kg separated by a distance 1 m in vacuum is
- If distance between the earth and sun is increased by 3 times, then attraction between them will
- The acceleration due to gravity g and mean density of the earth are related by which of the following relation ? Where G is...
- What is the gravitational force of attraction, if mass of moon is 1 81 times the mass of earth ? (G=6.67 10^ -11 Nm^2kg^2, Radius...
- Distance of a planet from the earth is 2.5 10^ 7 km and the gravitational force between them is 3.82 10^ 18 N mass of the planet...
- Two homogeneous spheres one of mass 100 kg and other of mass 11.75 kg attract each other with the force of 19.6 10^ -7 N when...
- The acceleration due to gravity at the surface of earth is R=6.4 10^ 6 m, G=6.67 10^ -11 N ,m^2/kg^2 , _ earth =5.5 10^ 3 kg ,/m^3
- A body weight 4.5 kg. wt on the surface of the earth . How much will it weight on the surface of planet whose mass is ( 1 9 )^ th...
- At what height from surface of earth the value of acceleration due to gravity will fall to half that on the surface of the...
- The mean radius of earth is 6400 km.The acceleration due to gravity at its surface is 9.8 m/s^2. The mass of earth is , (G=6.67...
- If the value of acceleration due to gravitation of the surface of the earth is 9.8 m/S^2 what is the mean value of density of...
- The height of a communication satellite. (G=6.67 10^ -11 N m^2/kg^2 ,(M=5.98 10^ 24 , R=6.4 10^ 6 m,)
- The weight of a body at earth's surface is w. At depth half way to the centre of the earth ,it will be--- (assuming of uniform...
- A satellite is in circular orbit 140 km above the planet. If the radius of planet is 5760 km then gravitational force on...
- The radius of earth is 6.37 10^ 6 m, its mean density 5.5 10^ 3 kg and the gravitational constant is 6.66 10^ -11 Nm^2/kg^2. The...