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

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Physics

A bicycle racer sprints at the end of a race to clinch avictory. The racer has an initial velocity of 13.0 m/s andaccelerates at the rate of 0.450 m/s^2 for 7.00 s.
(a) What is his final velocity (in m/s)? 16.15 m/s
(b) The racer continues at this velocity to the finish line. Ifhe was 300 m from the finish line when he started to accelerate,how much time (in s) did he save?
(c) One other racer was 5.00 m ahead when the winner started toaccelerate, but he was unable to accelerate and traveled at 13.2m/s until the finish line. How far ahead of him (in meters and inseconds) did the winner finish?
distance m?
time s?

Answer & Explanation Solved by verified expert

3.8 Ratings (690 Votes)

Given Initial velocity u 13 ms acceleration a 0450 ms2 time t 7 s a Let final velocity be v As we know v u at 13 04507 13 315 1615 ms b Distance d 300 m If he was running at constant speed u 13 ms Time taken would See Answer

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