Gravitation

Question: 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

1) $7.4 \times {10^{ - 4}}\,rad/\sec$

2) $6.7 \times {10^{ - 4}}\,rad/\sec$

3) $7.8 \times {10^{ - 4}}\,rad/\sec$

4) $8.7 \times {10^{ - 4}}\,rad/\sec$

Solution:

Explanation: No Explanation

Acceleration Due to Gravity

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