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Question
A freight train rolls along a track with considerable momentum. If it were to roll at the same speed but had twice as much as mass, its momentum would be:
A freight train rolls along a track with considerable momentum. If it were to roll at the same speed but had twice as much as mass, its momentum would be:
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Solution
The correct option is A Doubled
Since p = mv
So p1 = (2m) × v = 2mv = 2 p
The momentum would be doubled.
Doubled
Since p = mv
So p1 = (2m) × v = 2mv = 2 p
The momentum would be doubled.
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