A new car is tested on a 270-mm-diameter track. If the car speeds up at a steady 1.3 m/s2m/s2 , how long after starting is the magnitude of its centripetal acceleration equal to the tangential acceleration?

A new car is tested on a 270-mm-diameter track. If the car speeds up at a steady 1.3 m/s2m/s2 , how long after starting is the magnitude of its centripetal acceleration equal to the tangential acceleration?

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section2.3: Acceleration

Problem 2.3CE: What is the average speed in mi/h of a person at the equator as a result of the Earths rotation?...

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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

A new car is tested on a 270-mm-diameter track.

If the car speeds up at a steady 1.3 m/s2m/s2 , how long after starting is the magnitude of its centripetal acceleration equal to the tangential acceleration?

Express your answer to two significant figures and include the appropriate units.

the anwers is not

0.32

14.4

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