The momentum of the bus is [tex]3.93\cdot 10^5 kg m/s[/tex]
Explanation:
The momentum of an object is given by
[tex]p=mv[/tex]
where
m is the mass of the object
v is its velocity
For the bus in this problem, we have
[tex]m=13,500,000 g = 13,500 kg[/tex] is its mass
[tex]v=65 mph \cdot \frac{1609 m/mi}{3600 s/h}=29.1 m/s[/tex] is the velocity, converted into SI units
Substituting into the equation, we find the momentum of the bus:
[tex]p=(13,500)(29.1)=3.93\cdot 10^5 kg m/s[/tex]
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