1. 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 (2014 E)
1) E2=E1
2) E2=4E1
3) E2=9E1
4) E2=15E1
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Answer:
ans is 4 because it is the answer
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