Engineering Mechanics: Statics & Dynamics (14th Edition)

Published by Pearson
ISBN 10: 0133915425
ISBN 13: 978-0-13391-542-6

Chapter 15 - Kinetics of a Particle: Impulse and Momentum - Section 15.3 - Conservation of Linear Momentum for a System of Particles - Problems - Page 262: 35



Work Step by Step

We can find the required velocity as follows: $m_Av_A+m_Bv_B=(mA+m_B)v$ We plug in the known values to obtain: $(5000)(20)+2000(15)=(5000+2000)v$ This simplifies to: $v=18.57m/s$
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