A 1-kg standard cart collides with a cart A of unknown in- ertia. Both carts appear to be rolling with significant wheel friction because their velocities change with time as shown in Figure P4.28. (a) What are the carts' velocities at t = 0, t = 5.0 s, t = 6.0 s, and t = 10 s? (b) When not colliding, are the carts speeding up or slowing down? (c) Is the acceleration of each cart the same before and after the collision? (d) What is the inertia of cart A? . %3D

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 1-kg standard cart collides with a cart A of unknown in-
ertia. Both carts appear to be rolling with significant wheel
friction because their velocities change with time as shown
in Figure P4.28. (a) What are the carts' velocities at t = 0,
t = 5.0 s, t = 6.0 s, and t = 10 s? (b) When not colliding, are
the carts speeding up or slowing down? (c) Is the acceleration
of each cart the same before and after the collision? (d) What
%3D
is the inertia of cart A? •..
Figure P4.28
vz (m/s)
collision
standard
4 cart A
cart
standard
2
cart
cart A
t (s)
10
5
-2
Activate
Transcribed Image Text:A 1-kg standard cart collides with a cart A of unknown in- ertia. Both carts appear to be rolling with significant wheel friction because their velocities change with time as shown in Figure P4.28. (a) What are the carts' velocities at t = 0, t = 5.0 s, t = 6.0 s, and t = 10 s? (b) When not colliding, are the carts speeding up or slowing down? (c) Is the acceleration of each cart the same before and after the collision? (d) What %3D is the inertia of cart A? •.. Figure P4.28 vz (m/s) collision standard 4 cart A cart standard 2 cart cart A t (s) 10 5 -2 Activate
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