MHT CET questions
29293 published questions with worked solutions.
- By what per cent, the energy of a satellite has to be increased to shift it from an orbit of radius r to 32r ?
- The total energy of an artificial satellite of mass m revolving in a circular orbit around the earth with a speed v is
- A launching vehicle carrying an artificial satellite of mass m is set for launch on the surface of the earth of mass M and radius...
- The radius of the orbit of a satellite is r and its kinetic energy is K. If the radius of the orbit is doubled, then the new...
- Two satellites A and B having ratio of masses 3: 1 are in circular orbits of radii r and 4r. Then ratio of total mechanical...
- Two identical satellites are orbiting at distances R and 7R from the surface of the earth, R being the radius of the earth. The...
- What is the energy required to launch a m kg satellite from earth's surface in a circular orbit at an altitude of 7R? (R = radius...
- The ratio of the radii of the planets P_1 and P_2 is a. The ratio of their acceleration due to gravity is b. The ratio of the...
- The mass of the moon is (1/81) th of earth's mass and its radius is (1/4) th that of the earth. If the escape velocity from the...
- The escape velocity of a body from the earth is v_e. If the radius of earth contracts to (1/4) th of its value, keeping the mass...
- What is the escape velocity for a body on the surface of a planet on which the acceleration due to gravity is (3.1)^2 m ,s^ -2...
- Two spherical planets P and Q have the same uniform density , masses M_P and M_Q and surface areas A and 4A, respectively. A...
- A solid sphere of mass M and radius R has a spherical cavity of radius R/2 such that the centre of cavity is at a distance R/2...
- Three identical bodies of mass M are located at the vertices of an equilateral triangle of side L. They revolve under the effect...
- If the radius of the earth was to shrink by 2%, its mass remaining same, the acceleration due to gravity on the earth's surface...
- What is the height when the weight of body will be the same as at the same depth from the surface of the earth, where R is radius...
- 320 km above the surface of earth, the value of acceleration due to gravity is nearly 90% of its value on the surface of the...
- The acceleration due to gravity at a height (1/20)th of the radius of the earth above the earth's surface is 9 m ,s^ -2 . Its...
- The ratio of radii of earth to another planet is 2/3 and the ratio of their mean densities is 4/5. If an astronaut can jump to a...
- The height at which the acceleration due to gravity becomes g/9 (where, g is the acceleration due to gravity on the surface of...