Gravitation: JEE Main 2017 Physics question

JEE Main 2017 · 8 Apr, Morning shift · Q7132

JEE Main 20178 Apr, Morning shiftPhysicsMediumGravitation159× since 2002

If the Earth has no rotational motion, the weight of a person on the equator is W. Determine the speed with which the earth would have to rotate about its axis so that the person at the equator will weigh

{3 \over 4}

W. Radius of the Earth is 6400 km and g=10 m/s².

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JEE Main 2017 Gravitation Question with Solution (8 Apr Morning shift, Q7132) | JEE Arc