PSW: A bicycle racer sprints at the end of a race to clinch a victory. The racer

Question

PSW: A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 11.5 m/s when he was 300 m away from the finish line. He accelerates at the rate of 0.500 m/s/s for 7.00 s. The racer continues at this velocity to the finish line. What is his final velocity? lf the racer was 207.3 m away from the finish line after his acceleration. How long does it take him to get to the finish line How long does it take him to get the finish line, if he had not accelerate

Explanation / Answer

a] final velocity v = u + at

= 11.5+0.5*7 = 15 m/s

b] t= 207.3/15 = 13.82s

c] t = 300/11.5 = 26.1 s

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