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Multiple Choice Question with Only One Choice Correct
A body of mass m moving with a velocity v in the x-direction collides and sticks with another body of mass M moving with a velocity V in the y-direction. The magnitude of the momentum of the composite body is

(a)	(mv + MV)	(b)	(m + M) (v + V)
(c)	[(MV)² + (MV)²]^1/2	(d)	(Mv + mV)

Chemistry

True or False
The addition of HBr to butadiene at -80^oC to give 1, 2-adduct is kinetically controlled while that at 40^oC to give 1, 4-adduct is thermodynamically controlled.

Mathematics

Column Matching