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 21CQ: What is wrong with the following expressions? How can you correct them? (a) C=AB , (b) C=AB , (c)...
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Three balls roll on a frictionless surface and collide in two separate collisions. Ball 1 (mass m1=1.0 kg and velocity v1i=10 m/s) collides first with Ball 2 (mass m2=5 kg and velocity v2i=0 m/s) in an inelastic collision. Ball 2 then collides with Ball 3 (mass m3=0.7 kg and velocity v3i=5 m/s) in a perfectly inelastic collision. If Ball 1 moves with a velocity v1f=2.5 m/s to the left after its collision, what is the final velocity (v3f) of the combined balls (2 and 3) after their collision in m/s? Assume all three balls move only in the x direction. If your answer is negative (moving to the left), include the negative in your entry.
Transcribed Image Text:Vзі
Vii
тз
m1
V3f
vif
тy
т2 + mз
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