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Grade 11IIT JEE Entrance Exam

A shell is fired from a cannon, it explodes in mid air, its total

(a) Momentum increases

(b) Momentum decreases

(c) K.E. increases

(d) K.E. decreases

Profile image of Simran Bhatia
12 Years agoGrade 11
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1 Answer

Profile image of Navjyot Kalra
12 Years ago

(c)

When shell explodes in mid air its chemical energy is partly converted into mechanical energy, hence K.E. increases

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