Motion in A Plane

Question: Certain neutron stars are believed to be rotating at about \[1\,rev/\sec \]. If such a star has a radius of 20 km, the acceleration of an object on the equator of the star will be

1) \[20 \times {10^8}m/{\sec ^2}\]

2) \[8 \times {10^5}m/{\sec ^2}\]

3) \[120 \times {10^5}m/{\sec ^2}\]

4) \[4 \times {10^8}m/{\sec ^2}\]

Solution:

Explanation: Explanation

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