This question is a short free-response question. Show your work for each part of the question. A puck of mass m, slides across a horizontal surface and collides with a stationary, nonuniform rod that is pivoted about its left end in three configurations, as shown. In each case, the puck travels with the same initial velocity v, and collides with the rod at time te . In Case 1 the puck rebounds away from the rod, in Case 2 the puck comes to rest after the collision with the rod, and in Case 3 the puck sticks to the rod. Frictional

Structural Analysis
6th Edition
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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This question is a short free-response question. Show
your work for each part of the question.
A puck of mass m, slides across a horizontal surface
and collides with a stationary, nonuniform rod that is
pivoted about its left end in three configurations, as
shown. In each case, the puck travels with the same
initial velocity v, and collides with the rod at time te . In
Case 1 the puck rebounds away from the rod, in Case 2
the puck comes to rest after the collision with the rod,
and in Case 3 the puck sticks to the rod. Frictional
effects between the rod, puck, and floor, as well as
frictional effects of the pivot, are small enough to be
considered negligible.
Case
Piyot
Case 2
Pivot
----------------
Case 3
(a) On the graph below, sketch and label the two
quantities as a function of time for Case 1. You do not
need to calculate values for the y-axis, but the same
vertical scale should be used for both quantities.
i. Angular momentum of the puck
ii. Angular momentum of the rod
Label the graphs "puck" and "rod."
-Time
...
Angular Momentum
Transcribed Image Text:This question is a short free-response question. Show your work for each part of the question. A puck of mass m, slides across a horizontal surface and collides with a stationary, nonuniform rod that is pivoted about its left end in three configurations, as shown. In each case, the puck travels with the same initial velocity v, and collides with the rod at time te . In Case 1 the puck rebounds away from the rod, in Case 2 the puck comes to rest after the collision with the rod, and in Case 3 the puck sticks to the rod. Frictional effects between the rod, puck, and floor, as well as frictional effects of the pivot, are small enough to be considered negligible. Case Piyot Case 2 Pivot ---------------- Case 3 (a) On the graph below, sketch and label the two quantities as a function of time for Case 1. You do not need to calculate values for the y-axis, but the same vertical scale should be used for both quantities. i. Angular momentum of the puck ii. Angular momentum of the rod Label the graphs "puck" and "rod." -Time ... Angular Momentum
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