The Challenge!Science brain teasers require understanding of the physical or biological world and the laws that govern it.
Sven, a wise man and a big time bet taker, was walking along when he came across Tommy. Sven wanted to make a quick buck so he said to Tommy, "I bet you $4,500 that you won't be able to stop accelerating in your car, after 10 seconds to get up to speed, on this circular track."
"Well, Sven, I'll take that bet. I just hope you don't cry too hard when I take your money."
So Tommy got his brand new red Porsche up to 90 mph and put it on cruise control. After four laps, he came up to Sven and paid him the $4,500. Why?
HintWhat shape was the track?
AnswerFirst of all, Sven said accelerate. Acceleration is a change in velocity. Velocity is a speed in a direction. So acceleration can be speeding up, slowing down, or turning. Since the track was circular, Tommy was always accelerating, even after the ten second grace period. The lesson: know your terms before you take a bet.
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