If gravitation suddenly stops …… neglecting the rotation … if someone is standing on ground ….. will the normal reaction disappear?? If yes why? I want to know when
Tag Archive: body
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a running man has half the kinetic energy that a boy of half his mass has.the man speed up by 1m/s and then has the same kinetic energy as the body. what were the original speeds of man and boy?
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- What is the gravitational field strength of a planet when the weight of a 100 kg astronaut is 400 N?
a) ¼ N kg-1 b) 9.8 N kg-1 c) 4 N kg-1 d) infinity
- The only natural satellite of the earth complete orbits in about
a) 24 days b) 27.3 days c) 30 days d) 365 1/4 days
- The satellite that revolves in a polar orbit is called
a) Natural Satellite b) Geostationary satellite c) Polar
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A body is dropped from a tower of height 96 m. Another body is thrown up from the ground after a second with a velocity of 40 m/s.When and where they will meet?
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