two bodies of mass 1 kg and 2 kg respectively moving in the directions opposite to each other with a speed of 5 metre per second collide. calculate the total momentum of a system before collision.
nikhilcosmos:
Is the speed given relative??
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hope this helps you friend
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p = 1 (5) + 2 (-5) = -5 minus represent the direction...1kg mass moving right and i taken right as positive direction...
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