A body of mass M1 moving with a velocity U collides with a stationary body...

WAEC 1993

A body of mass M1 moving with a velocity U collides with a stationary body of mass M2 and both move with a common velocity V lf linear momentum is conserved, which of the following expressions correctly represents V?

A.
M₁ U/M₁ + M₂
B.
M₂ U/M₁ + M₂
C.
M₁ + M₂/M₁ U
D.
M₁ - M₂/M₁ U
E.
M₁ U/M₁ - M₂

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Correct Answer: Option A

Explanation

M₁U + M₂ x 0 = (M₁ + M₂)v

V =

M₁ U/M₁ + M₂

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A body of mass M1 moving with a velocity U collides with a stationary body...

Correct Answer: Option A

Explanation

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