Which has more momentum, a 8kg object moving at 9ms or a 4kg object moving at 7ms?
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P=mv
So obviously p=8×9=72
p=4×9=36
The first one
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case 1
m=8kg
v=9m/s
case 2
m=4kg
v=7m/s
case 1
momentum = mass × velocity
=8×9
=72
case 2
momentum = mass × velocity
=4×7
=28
therefore the object having mass of 8 kg and velocity of 9 m/s has more momentum
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