A body of mass m moving with velocity 3km/hr collides with a body of mass 2m at rest.Now find the velocity of coalesced mass.
Answers
Answered by
56
m₁=m
m₂=2m
v₁=3km/h
the velocity of m₂ isn't given, so let v₂ be 0m/s
that means, m₁v₁=MV [m₂v₂=0, because v₂=0 and M=m₁+m₂, V=final velocity of coalesced mass.
V=m₁v₁/(m₁+m₂)
V=m(3)/(3m)=1m/s
Hope it helped.
m₂=2m
v₁=3km/h
the velocity of m₂ isn't given, so let v₂ be 0m/s
that means, m₁v₁=MV [m₂v₂=0, because v₂=0 and M=m₁+m₂, V=final velocity of coalesced mass.
V=m₁v₁/(m₁+m₂)
V=m(3)/(3m)=1m/s
Hope it helped.
Answered by
0
Answer:
3/2 kmph
Explanation:
Atq:
m1 u1 = m2 u2
= m×3 = 2m × u2
so u2 = 3/2 kmph
Similar questions