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a) $v'=1.7m/s$
b) $v_1'=-2.1m/s$
$v_2'=7.4m/s$
c) $v_2'=4.3m/s$
d) $v_1'=2.8m/s$ (not possible since object 1 would have to go through object 2)
e) $v_2'=10.3m/s$ (not possible since there is an increase in KE after collision)

Giancoli 6th Edition, Chapter 7, Problem 39

(13:35)

Chapter 7, Problem 39 is solved.

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