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Physics

Answered

A bicycle rider is traveling at 7 m/s. During an 8 s period, the bicycle rider then slows down with a constant acceleration to a speed of 3 m/s. How far does the bicycle rider travel during 8 s?.

Answer :

Today at 5:17 PM

During those 8 seconds, the rider's average speed is

1/2 (7 + 3) = 5 m/s .

Pedaling at an average speed of 5 m/s for 8 seconds, she covers

(5 m/s) x (8 sec) = 40 meters

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