A stationary 0.1 g fly encounters the windshield of a 1500 kg automobile traveling at 120 km/h.
(a) What is the change in momentum of the car due to the fly?
kg 路 km/h opposite the car's motion
(b) What is the change of momentum of the fly due to the car?
kg 路 km/h along the car's velocity
(c) Approximately how many flies does it take to reduce the car's speed by 1 km/h?
? flies
I figured out that the change in momentum is .012 for both, but I cannot figure out how many flies it will take? Please help!
What is the change in momentum?
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