A body at rest breaks up into 3 parts. If 2 parts having equal masses fly off perpendicularly each after with a velocity of 12m/s, then the velocity of the third part which has 3 times mass of each part is
A
at an angle of 
from each body
B
at an angle of 
from each body
C
at 
from each body
D
at 
from each body
Text Solution
Verified by ExpertsThe correct answer is:
D
The momentum of third part will be equal and opposite to the resultant of momentum of rest two equal parts
let V is the velocity of third part.
By the conservation of linear momentum
⇒ ⇒ 
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