Chekhov (mc 15 kg), Scotty (ms-90 kg), and Uhura (mU 70 kg) are floating motionl

Question

Chekhov (mc 15 kg), Scotty (ms-90 kg), and Uhura (mU 70 kg) are floating motionless in space near the Enterprise after it has been attacked by Tholians. All three are tethered with massless ropes for safety, with 1 6 m, and L2-4 m. They pull on their ropes to change position. At some later time, they are all again motionless, but their positions have changed as seen here. How far did Uhura move horizontally? · | AFTER Answer: Not yet correct, tries 174 Submt All Answers Last Answer: 0 m Hint: None of them ends up where any other one started.

Explanation / Answer

It has moved L1 + L2 as shown in second image. Wrt. To first image

In first image, it is at x = 0 and im second it is at x = L1 + L2.

Hence, our amswer is L1 + L23

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