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brinethery
Now the elevator is moving downward with a velocity of v = -2.1 m/s but accelerating upward with an acceleration of a = 4.6 m/s2. (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? m1 = 3.3 kg m2 = 6.6 kg m3 = 9.9 kg
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