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If according to third law of …

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If according to third law of motion, action and reaction forces are always equal in magnitude then why does a plastic bal travel more distance after colliding with an iron sphere? Explain

Posted by Shiv Dayal 6 years, 2 months ago

CBSE > Class 07 > Science

1 answers

.. ... 6 years, 2 months ago

Mass of ball , m₁ = 0.5 kg Velocity of ball , v₁ = 5 m/s Mass of another ball , m₂ = 1 kg Let velocity of another ball = v₂ m/s Using law of conservation of momentum , 0.5 x 5 + 1 x v₂ = 0 v₂ = - 2.5 m/s Therefore , the velocity of another ball is 2.5 m/s opposite to the direction of motion of first ball.

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