A stationary body explodes into four identical fragments such that three of them fly off mutually perpendicular to each other, each with same KE, 
The energy of explosion will be
a)
b)
c)
d)
A stationary body explodes into four identical fragments such that three of them fly off mutually perpendicular to each other, each with same KE, The energy of explosion will be
a)
b)
c)
d)
Question ID - 100229 | SaraNextGen Top Answer
A stationary body explodes into four identical fragments such that three of them fly off mutually perpendicular to each other, each with same KE, The energy of explosion will be
a)
b)
c)
d)
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A stationary body explodes into four identical fragments such that three of them fly off mutually perpendicular to each other, each with same KE, |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a) Let the three mutually perpendicular directions be along
Where
By linear momentum conservation,
or or Total energy |
and 
-axis, respectively.
and 
127 votes
Answer Link
127