A sprinter practicing for the 200-m dash accelerates uniformly from rest at A and reaches a top speed of 38 km/h at the 72-m mark. He then maintains this speed for the next 88 meters before uniformly slowing to a final speed of 32 km/h at the finish line. Determine the maximum horizontal acceleration which the sprinter experiences during the run. Where does this maximum acceleration value occur? Finish line 39.9 m OSTOS

A sprinter practicing for the 200-m dash accelerates uniformly from rest at A and reaches a top speed of 38 km/h at the 72-m mark. He then maintains this speed for the next 88 meters before uniformly slowing to a final speed of 32 km/h at the finish line. Determine the maximum horizontal acceleration which the sprinter experiences during the run. Where does this maximum acceleration value occur? Finish line 39.9 m OSTOS

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Find an. 2.763 is incorrect. Thank you

A sprinter practicing for the 200-m dash accelerates uniformly from rest at A and reaches a top speed of 38 km/h at the 72-m mark. He
then maintains this speed for the next 88 meters before uniformly slowing to a final speed of 32 km/h at the finish line. Determine the
maximum horizontal acceleration which the sprinter experiences during the run. Where does this maximum acceleration value occur?
-Finish line
39.9 m

Calculate (a) the magnitude of the tangential acceleration near start of the race and (b) the magnitude of the tangential
acceleration near the end of the race.
Answers:
(a) lal= 0.773
(b) lal 0.405
Hint
Part 2
* Incorrect
m/s²
Answer:a, 2.763
m/s2
Calculate the magnitude of the largest normal acceleration that occurs anywhere on the track.
m/s2
Attempts: 1 of 3 used

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