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What should be the velocity of earth due to rotation about its own axis so that the weight at equator become 3/5 of initial value. Radius of earth on equator is 6400 km

(a) 7.4 × 10^-4 rad /sec (b) 6.7 × 10^-4 rad /sec

(c) 7.8 × 10^-4 rad /sec (d) 8.7 10^-4 rad /sec

Answer: c

(41)

5/5 - (1 vote)

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