Calculate the change in momentum of a body weighing 5 KG when it is when it’s velocity decreases from 20m/s to 0.20m/s
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momentum ( p) = mv
Here m ( mass) is constant = 5kg
v1 ( first velocity) = 20
therefore p1 (momentum) = 100kg m/s
v2 ( second velocity )= 0.20
p2 ( second momentum) = 5× 0.20
= 1kg m/s
Thus,
change in momentum. = -99kg m/s
Here m ( mass) is constant = 5kg
v1 ( first velocity) = 20
therefore p1 (momentum) = 100kg m/s
v2 ( second velocity )= 0.20
p2 ( second momentum) = 5× 0.20
= 1kg m/s
Thus,
change in momentum. = -99kg m/s
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