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Physics, 25.10.2020 08:50 OkK1510

A rubber cord catapult has cross-sectional area 25mmand initial length of rubber cord is 10c.
Its is stretched to 5cm and then released to
project a missile of mass 5gm. Taking
Yubber = 5x108N/m² velocity of projected
missile is :
(1) 20ms -
(2) 100ms
(3) 250ms
(4) 200ms)

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A rubber cord catapult has cross-sectional area 25mmand initial length of rubber cord is 10c.
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