Question
A body of mass 2 kg moving with a velocity of 3 m/sec collides head on with a body of mass 1 kg moving in opposite direction with a velocity of 4 m/sec. After collision, two bodies stick together and move with a common velocity which in m/sec is equal to
Answer: Option C
:
C
m1v1−m2v2=(m1+m2)v
⇒(2×3)−(1×4)=(2+1)v⇒v=23m/s
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:
C
m1v1−m2v2=(m1+m2)v
⇒(2×3)−(1×4)=(2+1)v⇒v=23m/s
Was this answer helpful ?
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