Momentum and CollisionHard
Question
The Young′s modulus of a rubber string 8 cm long and density 1.5 kg/m3 is 5 × 108 N/m2, is suspended on the ceiling in a room. The increase in length due to its own weight will be : -
Options
A.9.6 × 10-5 m
B.9.6 × 10-11 m
C.9.6 × 10-3 m
D.9.6 m
Solution
Increment in length due to own weight
= 9.6 × 10-11 m
= 9.6 × 10-11 m
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