Chapter 02, Problem 30 Consult famous horses to win this event was Secretariat.

Question

Chapter 02, Problem 30 Consult famous horses to win this event was Secretariat. In 1973 he set a Derby record that has never been broken. His average acceleration during the last four quarter-miles of the race was +0.0105 m/'s, His ES ulatir 21 before starting this problem. The Kentucky De y is held at the Chi chill D s track in Louis le Kentucky. The track is one an ane-a arter m es-n endt One od final mile at a constant velocity of +16.58 m/s and the time he actually took. Although the track is oval in shape, assume it is straight for the purpose of this problem. Number Units the tolerance is +/-3% Question Attempts: 0 of 5 used SAVE FOR LATER SUBMIT ANSWER

Explanation / Answer

Distance to be travelled=1 mile=1.609 km=1609 m

Total time taken without acceleration=1609/16.58=97.04 sec

If acceleration is also there

Let time taken is t

1609=16.58t+0.5*0.0105t^2

We got t=94.23 sec

Difference=2.81 sec

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.