A race car starts from rest on a circular track of radius 632m. The cars speed increases at the constant rate 0.690m/s^2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following A). The speed of the race car M/s b). The distance traveled M C). The elapsed time s

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A: The speed of the automobile in m/s is, 90 km/h=90 km/h×1 m/s3.6 km/h              =25 m/s

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Q: What is the equation [2.(3,14).r] used for?

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Q: circular

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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.