Answered: What would Earth’s rotational period…

What would Earth’s rotational period have to be for objects on the equator to have a centripetal acceleration of 9.8 m/s 2 ? Assume Earth’s radius is 6,380 km.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section6.2: Circular Motion

Problem 13PP

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Concept explainers

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.

Question

What would Earth’s rotational period have
to be for objects on the equator to have a
centripetal acceleration of 9.8 m/s 2
? Assume
Earth’s radius is 6,380 km.

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