Explanation As the blue bead falls from height and attains some velocity. Hence conservation of energy is applied. Write the expression for the conservation of energy for blue beads. K i + U i = K f + U f (I) Here, K i is the initial kinetic energy, U i is the initial potential energy, K f is the final kinetic energy, U f is the final potential energy for the blue beads. Substitute m 1 g h for U i , 0 for K i and U f and 1 2 m 1 v 1 i 2 for K f in equation (I). m 1 g h = 1 2 m 1 v 1 i 2 Here, m 1 is the mass of blue beads, g is the acceleration due to gravity, v 1 i is the initial velocity of blue beads and h is initial height. Simplify the above equation for v 1 i . v 1 i = 2 g h (II) Write the expression for perfectly elastic collision of two particles when one particle is at rest. v 2 f = ( 2 m 1 m 1 + m 2 ) v 1 i (III) Here, v 2 f is the final velocity of green beads. Substitute 2 g h for v 1 i in equation (III). v 2 f = ( 2 m 1 m 1 + m 2 ) 2 g h (IV) After the collision of blue beads with green beads, greens beads with velocity of v 2 f moves up on the wire. Hence their kinetic energy is converted to potential. Write the expression for conservation of energy for green bead. K i + U i = K f + U f (V) Here, K i is the initial kinetic energy, U i is the initial potential energy, K f is the final kinetic energy, U f is the final potential energy for the green beads

Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)

9th Edition

ISBN: 9781305266292

Author: Raymond A. Serway, John W. Jewett

Publisher: Cengage Learning

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Chapter 9, Problem 79AP

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The maximum height of green beads.

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Chapter 9, Problem 78AP

Chapter 9, Problem 80AP

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Chapter 9 Solutions

Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)

Ch. 9.1 - Two objects have equal kinetic energies. How do...Ch. 9.1 - Your physical education teacher throws a baseball...Ch. 9.3 - Two objects are at rest on a frictionless surface....Ch. 9.3 - Rank an automobile dashboard, seat belt, and air...Ch. 9.4 - Prob. 9.5QQ Ch. 9.4 - A table-tennis ball is thrown at a stationary...Ch. 9.6 - A baseball bat of uniform density is cut at the...Ch. 9.7 - A cruise ship is moving at constant speed through...Ch. 9 - Prob. 1OQ Ch. 9 - Prob. 2OQ

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