A 53 g ball is fastened to one end of a string 27 cm long and the other end is held fixed at point O so that the string makes an angle of 36° with the vertical, as in the figure. This angle remains constant as the ball rotates in a horizontal circle. The angle 0 would remain constant only for a particular speed of the ball in its circular path. The acceleration of gravity is 9.8 m/s². 9.8 m/s? 36° 53 g Find this speed v. Answer in units of m/s. 27 cm

A 53 g ball is fastened to one end of a string 27 cm long and the other end is held fixed at point O so that the string makes an angle of 36° with the vertical, as in the figure. This angle remains constant as the ball rotates in a horizontal circle. The angle 0 would remain constant only for a particular speed of the ball in its circular path. The acceleration of gravity is 9.8 m/s². 9.8 m/s? 36° 53 g Find this speed v. Answer in units of m/s. 27 cm

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 64P: A runner taking part in the 200-m dash must run around the end of a track that has a circular arc...

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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 53 g ball is fastened to one end of a string
27 cm long and the other end is held fixed at
point O so that the string makes an angle of
36° with the vertical, as in the figure. This
angle remains constant as the ball rotates in
a horizontal circle. The angle 0 would remain
constant only for a particular speed of the ball
in its circular path.
The acceleration of gravity is 9.8 m/s².
9.8 m/s?
36°
53 g
Find this speed v.
Answer in units of m/s.
27 cm

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