Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. A light spring is attached to the more massive block, and the blocks are pushed together with the spring between them as shown the figure below. A cord initially holding the blocks together is burned; after that happens, the block of mass 3m moves to the right with a speed of Vam = 1.65 m/s. 3m Before a 3m After (a) What is the velocity of the block of mass m? (Assume right is positive left is negative.) -4.9 v m/s (b) Find the system's original elastic potential energy, taking m = 0.470 kg. Enter a number. is the elastic potential energy transferred after the string is cut? J (c) Is the original energy in the spring or in the cord? • in the spring in the cord (d) Is the momentum of the system conserved in the bursting-apart process? • Yes No (e) If the spring was compressed by 5.30 cm, what is the spring constant of the spring?
Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. A light spring is attached to the more massive block, and the blocks are pushed together with the spring between them as shown the figure below. A cord initially holding the blocks together is burned; after that happens, the block of mass 3m moves to the right with a speed of Vam = 1.65 m/s. 3m Before a 3m After (a) What is the velocity of the block of mass m? (Assume right is positive left is negative.) -4.9 v m/s (b) Find the system's original elastic potential energy, taking m = 0.470 kg. Enter a number. is the elastic potential energy transferred after the string is cut? J (c) Is the original energy in the spring or in the cord? • in the spring in the cord (d) Is the momentum of the system conserved in the bursting-apart process? • Yes No (e) If the spring was compressed by 5.30 cm, what is the spring constant of the spring?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. A light spring is attached to the more massive block, and the blocks are pushed together with the spring between them as shown in
the figure below. A cord initially holding the blocks together is burned; after that happens, the block of mass 3m moves to the right with a speed of v.
= 1.65 m/s.
3m
3m
m
Before
V3m
3m
m
After
b
(a) What is the velocity of the block of mass m? (Assume right is positive and left is negative.)
-4.9
m/s
(b) Find the system's original elastic potential energy, taking m = 0.470 kg.
Enter a number. h is the elastic potential energy transferred after the string is cut? J
(c) Is the original energy in the spring or in the cord?
O in the spring
in the cord
(d) Is the momentum of the system conserved in the bursting-apart process?
Yes
No
(e) If the spring was compressed by 5.30 cm, what is the spring constant of the spring?
N/m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa3f85377-71a3-4d32-abd8-59b68c2cc5cd%2F0a3827b3-469f-4434-8fb7-046676fb5423%2Fiuvu5da_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. A light spring is attached to the more massive block, and the blocks are pushed together with the spring between them as shown in
the figure below. A cord initially holding the blocks together is burned; after that happens, the block of mass 3m moves to the right with a speed of v.
= 1.65 m/s.
3m
3m
m
Before
V3m
3m
m
After
b
(a) What is the velocity of the block of mass m? (Assume right is positive and left is negative.)
-4.9
m/s
(b) Find the system's original elastic potential energy, taking m = 0.470 kg.
Enter a number. h is the elastic potential energy transferred after the string is cut? J
(c) Is the original energy in the spring or in the cord?
O in the spring
in the cord
(d) Is the momentum of the system conserved in the bursting-apart process?
Yes
No
(e) If the spring was compressed by 5.30 cm, what is the spring constant of the spring?
N/m
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