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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

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

5/5 - (1 vote)

PrevPreviousMass of moon is 7.34 ×1022 kg. If the acceleration due to gravity on the moon is 1.4 m/s2 , the radius of the moon is (G = 6.667×10-11 Nm2 /kg2)

NextAcceleration due to gravity is ‘g’ on the surface of the earth. The value of acceleration due to gravity at a height of 32 km above earth’s surface is (Radius of the earth = 6400 km)Next

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