Earth’s diameter is approximately 8000 miles. Estimate the speed of a point on Earth’s equator as it’s carried around with Earth’s rotation.

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Q: resultant of force

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.