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  • Writer's picturekeshprad

PhysicsBowl 2019 Q34


34) For this question, we want to find the distance between the first and second place participants.


First, we should find how long it took for second place winner, Milorad Cavic, to catch up to first place winner, Michael Phelps.

Where t is time, t[MC] is Milorad Cavic's time, and t[MP] is Michael Phelps' time

We also know that distance is equal to the product of average velocity and time.

Where x is distance between Milorad Cavic and Michael Phelps, v is average velocity of Milorad Cavic, and t is time, d is total length of race, and t[total] is Milorad Cavic's 100 meter time

Answer: B

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