Physics question and answers for May 09, 2024
- Q Two particles of equal mass go around a circle of radius r under the action of their mutual gravitational attraction The speed of each particle is 1 v 3 v...
- Q Mass of the earth is 81 times that of the moon If the distance between their centers is d then the point on the line joining their centers at which...
- Q 59 A satellite is revolving round the earth with orbital speed v If it stops suddenly the speed with which it will strike the surface of earth would be v...
- Q If the apparent weight of the bodies at the equator is to be zer then the earth should rotate angular velocity rad sec B rad sec C 2R rad sec...
- Q 5 Consider two point masses m and 2m at a distance of 3 m in a gravity free space Find the maximum possible velocity Vo which can be given to...
- Q 2 11 When the sun is directly overhead the surface of the earth receives 14 x 10 W m2 of sunlight Assume that the light is monochromatic with average wavelength...
- Q 35 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...
- Q 182 Pre Medical Physics Illustration 14 Draw a rough sketch of the variation in weight of a spacecraft which moves from earth to moon Solution M K K F r...
- Q 12 Energy required to move a body of mass m from orbit of radii 2R to 3R is 1139 2 1 GMm 2R GMm GMm 3R GMm
- Q 7Neglect the effect of rotation of the earth Suppose the earth suddenly stops attracting objects placed near its surface A person standing on the surface of the earth will a...
- Q 16 A satellite revolves around a planet in circular orbit of radius R much larger than the radius of the planet a time period of revolution T If the satellite...
- Q Two bodies of masses m and m2 are connected by a long inextensible cord of length L The combination is allowed to fall freely towards the earth mass me the...
- Q 14 Two bodies of different masses are dropped simultaneously from the top of a tower If air resistance is proportional to the mass of the body 1 the heavier body...
- Q bjec A body weighs 700 g on the surface of the earth How much will it weigh on the surface of a planet 1 and radius is half that of...
- Q 96 A jet airplane travelling at the speed of 500 km h ejects its products of combustion at the speed of 1500 km h relative to the jet plane The...
- Q terk in 2 DOUR ZUS A person moves 30 m along north direction then moves 40 m along east direction and ally 20 m along south direction Find distance displacement...
- Q For the 2 short answer ranking questions you will use the information from the pictures to answer the questions You must show your work 2 points rank the letters correctly...
- Q 5 If the gravitational force were to vary inversely as mth power of the distance then the time period of a planet in circular orbit of radius r around the...
- Q A planet in an orbit sweeps out an angle of 160 from March May when it is at an average of 140 million km from sun If the planet sweeps...
- Q 9 Four moles of a gas enclosed in a container is heated at constant pressure The temperature of the gas increases by 3 C The work done by the gas...
- Q of e equal to the radius of the earth above the tunnel dug through the earth as shown in the figure Hence the correct statement is som 2 R seghe...
- Q Assertion The weighing machine measures the weight of a body means the absence of Reason Weightlessness weight 1 A 2 B 3 C 4 D
- Q Panton 2 Two plane mirrors are placed back to back They are then opened out slowly to form a wedge their reflecting surfaces lying on the outside A beam of...
- Q D The distance between the centres of the earth and the moon is 60 times the radius of the earth Calculate the centripetal acceleration of the moon Acceleration due to...
- Q 01 The acceleration due to gravity at height R above the surface of the earth is g 4 The periodic time of a simple pendulum in an artificial satellite at...
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