2) m m Now, three masses (m, = 4 kg, m, = 12 kg and m3 = 8) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. What is the magnitude of the force the bottom spring exerts on the lower mass? N Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 3) What is the distance the middle spring is stretched from its equilibrium length? cm Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.

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Chapter1: Units, Trigonometry. And Vectors
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6) Finally, the elevator is moving downward with a velocity of v = -2.1 m/s but accelerating downward at an
acceleration of a = -1.7 m/s².
Compare the magnitude of the NET force on each mass:
OF, = F2 = F3
OF, > F2 > F3
OF2 > F3 > F,
Submit
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7) What is the magnitude of the net force on the middle mass?
N Submit
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-.... ..
Transcribed Image Text:6) Finally, the elevator is moving downward with a velocity of v = -2.1 m/s but accelerating downward at an acceleration of a = -1.7 m/s². Compare the magnitude of the NET force on each mass: OF, = F2 = F3 OF, > F2 > F3 OF2 > F3 > F, Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 7) What is the magnitude of the net force on the middle mass? N Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. -.... ..
2)
m
m
Now, three masses (m, = 4 kg, m, = 12 kg and m3 = 8) hang from three identical springs in a motionless elevator. The
springs all have the same spring constant given above.
What is the magnitude of the force the bottom spring exerts on the lower mass?
N Submit
You currently have 0 submissions for this question. Only 10 submission are allowed.
You can make 10 more submissions for this question.
3) What is the distance the middle spring is stretched from its equilibrium length?
cm Submit
You currently have 0 submissions for this question. Only 10 submission are allowed.
You can make 10 more submissions for this question.
4) Now the elevator is moving downward with a velocity of v = -3.8 m/s but accelerating upward at an acceleration of a
= 3.6 m/s. (Note: an upward acceleration when the elevator is moving down means the elevator is slowing down.)
What is the magnitude of the force the upper spring exerts on the upper mass?
N Submit
You currently have 0 submissions for this question. Only 10 submission are allowed.
You can make 10 more submissions for this question.
5) What is the distance the lower spring is extende
its unstretched length?
cm Submit
You currently have 0 submissions for this question. Only 10 submission are allowed.
You can make 10 more submissions for this question.
Transcribed Image Text:2) m m Now, three masses (m, = 4 kg, m, = 12 kg and m3 = 8) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. What is the magnitude of the force the bottom spring exerts on the lower mass? N Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 3) What is the distance the middle spring is stretched from its equilibrium length? cm Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 4) Now the elevator is moving downward with a velocity of v = -3.8 m/s but accelerating upward at an acceleration of a = 3.6 m/s. (Note: an upward acceleration when the elevator is moving down means the elevator is slowing down.) What is the magnitude of the force the upper spring exerts on the upper mass? N Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 5) What is the distance the lower spring is extende its unstretched length? cm Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.
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