Questions
An object of mass 3m splits into three equal fragments. Two fragments have velocities and . The velocity of the third fragment is
a
v(j^−i^)
b
v(i^−j^)
c
−v(i^+j^)
d
v(i^+j^)2
detailed solution
Correct option is C
Initial momentum of 3m mass = 0 …(i) Due to explosion this mass splits into three fragments of equal masses. Final momentum of system = mV→+mvi^+mvj^ …(ii) By the law of conservation of linear momentum mV→+mvi^+mvj^=0⇒V→=−v(i^+j^)Talk to our academic expert!
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In an explosion a body at rest breaks up into two pieces of unequal masses. In this
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