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A long rubber tube having mass 0.9kg is ...

A long rubber tube having mass 0.9kg is fastened to a fixed support and the free end of the tube is attached to a cord which passase over a pulley and supports an object, with a mass of 5 kg as shown in fig. If the tube is struck by a transvers blow at one end, the time required for the pulse to reach the 49 other end is (linear density of tube ` = 49/625 kg //m` )

A

5s

B

0.47 s

C

4.7 s

D

3.2 s

Text Solution

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The correct Answer is:
B
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