A particle is suspended from a point A by an inextensible string of length L. It is projected from B with a velocity V, perpendicular to AB, which is just sufficient for it to reach C. A (a) Show that, if the string is just to be taut when the particle reaches C, its speed there is (gL). (b) Find the speed V with which the particle should be projected from B. V. B (c) At which point of the circular path is the string most likely to break?

A particle is suspended from a point A by an inextensible string of length L. It is projected from B with a velocity V, perpendicular to AB, which is just sufficient for it to reach C. A (a) Show that, if the string is just to be taut when the particle reaches C, its speed there is (gL). (b) Find the speed V with which the particle should be projected from B. V. B (c) At which point of the circular path is the string most likely to break?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

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full solution please for full qn (some ans: b) sq rt 5gL

A particle is suspended from a point A by an inextensible string of
length L. It is projected from B with a velocity V, perpendicular to
AB, which is just sufficient for it to reach C.
A
(a) Show that, if the string is just to be taut when the particle
reaches C, its speed there is (gL).
(b) Find the speed V with which the particle should be projected
from B.
V.
B
(c) At which point of the circular path is the string most likely to
break?

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