A canon shell fired breaks into two equal parts at its highest point. One part retraces the path to the canon with kinetic energy E1 and the kinetic energy of the second part is E2 . Relation between E1 and E2 is
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a
E2 = E1
b
E2 = 4E1
c
E2 = 9E1
d
E2 =15E1
answer is C.
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Detailed Solution
At highest point according to L.C.M,mucosθ=-m2ucosθ+m2v E1=12m2ucosθ2, E2=12m2v2
A canon shell fired breaks into two equal parts at its highest point. One part retraces the path to the canon with kinetic energy E1 and the kinetic energy of the second part is E2 . Relation between E1 and E2 is