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March 29, 2017

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A car of mass 1100 kg, moving with a speed of 73 mph on a highway, passes a small SUV with a mass
1
1
2
times bigger, moving at 1/2 of the speed of the car.
(a) What is the ratio of the momentum of the SUV to that of the car?

pSUV
pcar
= 1

(b) What is the ratio of the kinetic energy of the SUV to that of the car?
KSUV
Kcar
=

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