At t = 0, the bob of a simple pendulum is displaced to the right by an angle e_0 = +0_max/√2 and is given an initial velocity to the left (v_0 < 0). The phase constant, op, of the angular displacement when expressed as a cosine function, 0(t) = 0_max cos (wt + p), is: O p = +π/3 O p = -1/3

At t = 0, the bob of a simple pendulum is displaced to the right by an angle e_0 = +0_max/√2 and is given an initial velocity to the left (v_0 < 0). The phase constant, op, of the angular displacement when expressed as a cosine function, 0(t) = 0_max cos (wt + p), is: O p = +π/3 O p = -1/3

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter2: Vectors

Section: Chapter Questions

Problem 77AP: Show that when A+B=C then A2+B2+2ABcos , where is the angle between vectors A and B .

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Concept explainers

Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.

Question

At t = 0, the bob of a simple pendulum
is displaced to the right by an angle
e_0 = +0_max/√2 and is given an
initial velocity to the left (v_0<0). The
phase constant, op, of the angular
displacement when expressed as a
cosine function, 0(t) = 0_max cos (wt
+ p), is:
4 = +π/3
=-π/3
4 = +π/4
4= -1/4
4=0

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