Bug Collision

crosby00 · #1 May 27, 2008, 05:29 PM

If a bug is hovering in the air, v=0, and bangs into a car going 20 m/s. The collision is perfectly elastic, and the car continues without any change in velocity after the collision. What is the bug's speed?

robkelly2242 · May 27, 2008, 09:55 PM

Car v decreases by an infinitesmal amount, bug speed ~ 40 m/sec. Momentum is conserved.



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