Physics question and answers for May 15, 2024
- Q 3 8 cm 4 13 2 cm 16 At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Eargh s atmosphere Given Mass...
- Q 184 A satellite revolving around equator is seen after every 6 hour at a place on equator If the satellite revolves opposite to that of earth s rotation then the...
- Q To su p 51 Which of the following graphs closely represents the variation in kinetic energy of a planet as it moves once round the sun in its elliptical orbit...
- Q 6 32 Find the ratio of kinetic energy required to be given to satellite to escape from earth to the kinetic energy required to be given to the satellite to...
- Q 6 21 Three masses 100 kg 200 kg and 500 kg are placed at the vertices of an equilateral triangle with sides 10 m They are rearranged by an agent...
- Q 2 The magnitude of change in potential energy of a particle of mass m when it moves from the centre of the earth to the surface of the earth will...
- Q ce 6 34 Two identical solid spheres each of radius R are placed in its contact with each other It is observed that the gravitational attraction between the two is...
- Q that the object of mass m escapes from earth s gravitational field v escape velocity 3 2v 45 2 V 4 11 3 v 1 3 2v 45 14 LiD...
- Q 3 00 0 4 1 0 00 Q 118 A satellite of mass m is orbiting the earth of radius R at a height h from its surface The total...
- Q Q 22 A hollow vertical cylinder of radius r and height h has smooth internal surface A small particle is placed in contact with the inner side of the upper...
- Q 15 A bead of mass m is tied at one end of a spring of spring constant k mg R and unstretched length R 2 and other end to fixed...
- Q Four particles of equal mass M move along a circle of radius R under the action of their mutual gravitational attraction The speed of each particle is A C GM...
- Q If a body is projected vertically upward from the surface of earth so as to reach a height nRe above the surface Then Re radius of the earth af yg...
- Q POE 1 58 A particle moves in the plane x y with constant Tool acceleration a directed along the negative y axis The equation of motion of the particle has...
- Q 54 A car is moving towards a high cliff The driver sounds a horn of frequency f The reflected sound heard by the driver has frequency 2f if v the...
- Q An object of mass 10 kg launched from the Earth s surface reaches the speed of 10800 m s at a very far distance from the Earth Determine the initial...
- Q 3 12 A spherical shell of mass M inner radius R and outer radius R is shown in the figure The variation of magnitude of gravitational field intensity as a...
- Q A satellite is seen each 36h over the equater at a place o n earth when its sense of rotation is same as earth The ti me taken after which...
- Q o bodies is where R is n the orbital ar orbit is i 4 1 R GR0077 82 Two identical satellites are at the heights R and 7R from the...
- Q nentum atement SSIO81 If a satellite is revolving very close to the surface of GR0080 ssion 202 or I will earth then its orbital velocity does not depend upon 1...
- Q Two satellites A and B go around the earth in circular orbits at heights of RA and RB respectively from the surface of the earth Assuming the earth to be...
- Q 34 Geostationary satellite 1 is situated at a great height above the surfa of earth 2 moves in equatorial plane 3 have time period of 24 hours 4 have time...
- Q Dust particles released by comets are continuously acted upon by sun s radiation pressure in radial outward direction Assuming a dust particle with p 3 5 x 10 kg m...
- Q and B of masses 200 kg and 400 kg are revolving round the earth at height of 600 km and 1600 km respectively If TA and TB are the time...
- Q 9 A black hole is an object whose gravitational field is so strong that even light cannot escape from it To what approximate radius would earth mass 5 98 x...
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