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A rubber cord has a cross -sectional area and total unstretched length. It is streched to and then released to project a missile of mass 5.0 g.Taking young's modulus Y for rubber as .Calculate the velocity of projection .
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Answer: A::B::CSolution: Equivalent force constant of rubber cord
Now,from conservation of mechanical energy,
elastic potential energy of cord=Kinetic energy of missile
:.
Now,from conservation of mechanical energy,
elastic potential energy of cord=Kinetic energy of missile
:.
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Question Text | A rubber cord has a cross -sectional area and total unstretched length. It is streched to and then released to project a missile of mass 5.0 g.Taking young's modulus Y for rubber as .Calculate the velocity of projection . |
Answer Type | Text solution:1 |
Upvotes | 152 |