Work Energy and Power - Result Question 66
69. A shell is fired from a cannon, it explodes in mid air, its total
(a) momentum increases
[1994]
(b) momentum decreases
(c) K.E. increases
(d) K.E. decreases
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Answer:
Correct Answer: 69. (c)
Solution:
- (c) When shell explodes in mid air its chemical energy is partly converted into mechanical energy, hence K.E. increases.
