Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 2, Problem 39P
To determine
The acceleration of the runner during the first
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A turtle and a rabbit engage in a footrace over a distance of 4km. The rabbit runs 0.5km and then stops for a 90-min nap. Upon awakening, he remembers the race and runs twice as fast. Finishing the course in a total time of 1.75h, the rabbit wins the race. Calculate the average speed of the rabbit
In 1967, New Zealander Burt Munro set the world record for an Indian motorcycle, on the Bonneville Salt Flats in Utah, with a maximum speed of 183.58 mi/h. The one‐way course was 5.00 mi long. Acceleration rates are often described by the time it takes to reach 60.0 mi/h from rest. If this time was 4.00 s, and Burt accelerated at this rate until he reached his maximum speed,
a. how long did it take Burt to complete the course?
b. Sketch position vs time, velocity vs. time, and acceleration vs. time graphs for the race.
a) A world record was set for the men's 100 m dash in the 2008 Olympic Games in Beijing by Usain Bolt of Jamaica. Bolt coasted
across the finish line with a time of 9.69 s. If we assume that Bolt accelerated for 3.00 s to reach his maximum speed, and maintained
that speed for the rest of the race, calculate his maximum speed and his acceleration.
Umar
a=
b) During the same Olympics, Bolt also set the world record in the 200 m dash with a time of 19.30 s. Using the same assumptions as
for the 100 m dash (that is, it took him 3.00 s to reach maximum speed), what was his maximum speed for this race?
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Physics for Scientists and Engineers
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Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY