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A shell explodes and many pieces fly off in different directions. Which of the following is conserved? |
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a) |
Kinetic energy |
b) |
Momentum |
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c) |
Neither momentum nor KE |
d) |
Momentum and KE |
Question ID - 100271 | SaraNextGen Answer
A shell explodes and many pieces fly off in different directions. Which of the following is conserved?
a)
Kinetic energy
b)
Momentum
c)
Neither momentum nor KE
d)
Momentum and KE
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A shell explodes and many pieces fly off in different directions. Which of the following is conserved? |
|||
|
a) |
Kinetic energy |
b) |
Momentum |
|
c) |
Neither momentum nor KE |
d) |
Momentum and KE |
1 Answer - 5876 Votes
3537
Answer Key : (b) -
Answer Link|
(b) Because during explosion of a shell, |
hence according to law of conservation of momentum
=constant