45. A point P třaces the curve r such that OP moves with constant angular velocity w. The radial component of acceleration when P is at = a0 , O the pole the point(r,0) is A -ru? rw? C - 2aw? D 2aw? CO

45. A point P třaces the curve r such that OP moves with constant angular velocity w. The radial component of acceleration when P is at = a0 , O the pole the point(r,0) is A -ru? rw? C - 2aw? D 2aw? CO

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 85AP: A propeller blade at rest starts to rotate from t=0 to t=5.0s with a tangential acceleration of the...

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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

45. A point P traces the curver = a0 , O the pole
such that OP moves with constant angular velocity
w. The radial component of acceleration when P is at
the point(r,0) is
A -ru?
B
ru?
c - 2aw?
2aw?

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