A stone of mass 20g is projected from a rubber catapult of length 0.1m and area of cross section 
stretched by an amount 0.04m. The velocity of the projected stone is ___m/s (Young's modulus of rubber 
)
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(20)
By energy conservation
v=20m/s
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