Question:

The angular velocity of the earth with which it has to rotate so that acceleration due to gravity on 60° latitude becomes zero is (Radius of earth = 6400 km At the poles g = 10 km²)

Options :

  • (a) 2.5 x 10^-3 rad/s
  • (b) 50. x 10^-1 rad/s
  • (c) 1 x 10^1 rad/s
  • (d) 7.8 x 10^-2 rad/s

Answer :

(a) 2.5 x 10^-3 rad/s

Answer Steps :

step 1

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