A student walks 4 blocks east, 7 blocks west, 1 block east and then 2 blocks west in an hour what is their velocity
1 answer:
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The final momentum is 20.00 kg*m/s
Explanation:
The momentum of an object is given by:
where
m is the mass of the object
v is its velocity
For the object in the problem, the initial momentum is
Then, the mass is doubled:
m' = 2m
And the velocity is also doubled:
v' = 2v
So, the new momentum will be:
So, the final momentum is 4 times the initial momentum.
Learn more about momentum:
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