6) Finally, the elevator is moving downward with a velocity of v = -2.1 m/s and also accelerating downward at anacceleration of a =-1.7 m/s?.The elevator is:O speeding upO slowing downO moving at a constant speedSubmitYou currently have O submissions for this question. Only 10 submission are allowed.You can make 10 more submissions for this question.7) Rank the distances the springs are extended from their unstretched lengths:Ox1 = X2 = X3Ox1 > x2 > X3Ox < x2 < X3SubmitYou currently have 0 submissions for this question. Only 10 submission are allowed.You can make 10 more submissions for this question.8) What is the distance the MIDDLE spring is extended from its unstretched length?cm SubmitYou currently have 0 submissions for this question. Only 10 submission are allowed.You can make 10 more submissions for this question. Sate2)m.m.maNow, three masses m, = 4.5 kg, m, = 13.5 kg and m3 = 9 kg hang from three identical springs in a motionless elevator.The springs all have the same spring constant that you just calculated above.What is the force the top spring exerts on the top mass?N SubmitYou 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 lower spring is stretched from its equilibrium length?cmSubmitYou 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 with an acceleration ofa = 3.6 m/s. (Note: an upward acceleration when the elevator is moving down means the elevator is slowing down.)What is the force the bottom spring exerts on the bottom mass?N SubmitYou 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 upper spring is extended from its unstretched length?cm SubmitYou 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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Description: 6) Finally, the elevator is moving downward with a velocity of v = -2.1 m/s and also accelerating downward at anacceleration of a =-1.7 m/s?.The elevator is:O speeding upO slowing downO moving at a constant speedSubmitYou currently have O submission

6. Given: The initial velocity is v=-2.1 m/s. The acceleration is a=-1.7 m/s2. Let t=1 s. According…

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6) Finally, the elevator is moving downward with a velocity of v = -2.1 m/s and also accelerating downward at an acceleration of a = -1.7 m/s². The elevator is: O speeding up O slowing down O moving at a constant speed Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.

6) Finally, the elevator is moving downward with a velocity of v = -2.1 m/s and also accelerating downward at an acceleration of a = -1.7 m/s². The elevator is: O speeding up O slowing down O moving at a constant speed Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.

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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Concept explainers

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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Question

6) Finally, the elevator is moving downward with a velocity of v = -2.1 m/s and also accelerating downward at an
acceleration of a =
-1.7 m/s?.
The elevator is:
O speeding up
O slowing down
O moving at a constant speed
Submit
You currently have O submissions for this question. Only 10 submission are allowed.
You can make 10 more submissions for this question.
7) Rank the distances the springs are extended from their unstretched lengths:
Ox1 = X2 = X3
Ox1 > x2 > X3
Ox < x2 < X3
Submit
You currently have 0 submissions for this question. Only 10 submission are allowed.
You can make 10 more submissions for this question.
8) What is the distance the MIDDLE spring is extended from 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.

Sate
2)
m.
m.
ma
Now, three masses m, = 4.5 kg, m, = 13.5 kg and m3 = 9 kg hang from three identical springs in a motionless elevator.
The springs all have the same spring constant that you just calculated above.
What is the force the top spring exerts on the top 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 lower 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 with 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 force the bottom spring exerts on the bottom 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 upper spring is extended from 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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