cks 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. 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 2.00 m/s. a. What is the velocity of the block of mass m? [-6 m/s] b. Is the momentum of the system conserved in the bursting-apart process? Explain how that is possible considering that there are large forces acting and there is no motion before and plenty of motion afterward? c. If m=2-kg, what is the net impulse acting on mass m? What is the net impulse acting on mass 3m? (-12î kg m/s, 12î kg m/s] M Before 3M M -000000000 After 2.00 m/s 3M

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Chapter1: Units, Trigonometry. And Vectors
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4. Two blocks 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. 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 2.00
m/s.
a. What is the velocity of the block of mass m? [-6 m/s]
b.
Is the momentum of the system conserved in the bursting-apart process?
Explain how that is possible considering that there are large forces acting
and there is no motion before and plenty of motion afterward?
c. If m=2-kg, what is the net impulse acting on mass m? What is the net impulse
acting on mass 3m? (-12î kg m/s, 12î kg m/s]
V
Before
3M
M
00000000
After
2.00 m/s
3M
Transcribed Image Text:4. Two blocks 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. 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 2.00 m/s. a. What is the velocity of the block of mass m? [-6 m/s] b. Is the momentum of the system conserved in the bursting-apart process? Explain how that is possible considering that there are large forces acting and there is no motion before and plenty of motion afterward? c. If m=2-kg, what is the net impulse acting on mass m? What is the net impulse acting on mass 3m? (-12î kg m/s, 12î kg m/s] V Before 3M M 00000000 After 2.00 m/s 3M
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