10.A motor, when travelling from rest, travels the first twentieth ofa mile at 6 miles per hour and the next three twentieth at respectively 8, 12,24 miles per hour but its average speed over the first fifth of a mile is not12-5 mile per hour.but 9-6. Explain apparent paradox.

Answered: Image /qna-images/answer/425f751c-678e-4bf6-b94b-221b124b0e24.jpg

Answered: 10. A motor, when travelling from rest,…

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter8: Areas Of Polygons And Circles

Section8.CR: Review Exercises

Problem 40CR

See similar textbooks

Similar questions

Suppose that customers will buy q units of a product when the price is (40−q)/5 dollars each. 1. How many units must be sold to achieve the sales revenue of 80 dollars? 2. What should be the price of each unit?
A prisoner, 1.80 meters in height, was discharged in consideration due to his advanced in age. In order to receive full pardon, he must run as fast as he can towards the country border 100 meters from the prisoner's position to be totally free. Unknown to the prisoner, he was not meant to be discharged alive, due to the heinous crimes he has committed. An archer with an exceptional accuracy, hidden from the prisoner, was 15 meters behind him. As soon as the prisoner started running at a rate of a = 0.012t m/s², an arrow was released 30 seconds after the prisoner moved from rest, from a 2-meter high at an angle of 30 degrees above horizontal aiming at the middle of his body for a sure kill (neglect air resistance). a. What should be the initial velocity of the arrow if the prisoner was dead before reaching the country border? b. What was the distance from the country border to the dead prisoner?
Suppose your car averages 32 miles per gallon on the highway if your average speed is 60 miles per hour, and it averages 25 miles per gallon on the highway if your average speed is 75 miles per hour. What is the driving time for a 1500-mile trip if you drive at an average speed of 60 miles per hour? What is the driving time at 75 miles per hour? Assume a gasoline price of $2.55 per gallon. What is the gasoline cost for a 1500-mile trip if you drive at an average speed of 60 miles per hour? What is the gasoline cost at 75 miles per hour?
A friend has a 78% average before the final exam for a course. That score includes everything but the final, which counts for 20% of the course grade.What is the best course grade your friend can earn? %What is the minimum score would your friend would need on the final to earn a 75% for the course? %Give answers accurate to at least one decimal place.
In the aftermath of a car accident, it is concluded that one driver slowed to a halt in 16 seconds while skidding 1075 feet. If the speed limit was 45 miles per hour, can it be proved that the driver had been speeding?(Hint: 45 miles per hour is equal to 66 feet per second.)We can guarantee that at some time from when the driver first pressed on the brake to when the car came to a complete stop the car was traveling ___________ mph.Therefore we __________ (can/can not) conclude that the driver was speeding from the information given.
A friend has a 83% average before the final exam for a course. That score includes everything but the final, which counts for 20% of the course grade.What is the best course grade your friend can earn? %What is the minimum score your friend would need on the final to earn a 75% for the course? %Give answers accurate to at least one decimal place.

Recommended textbooks for you

Elementary Geometry for College Students

Geometry

ISBN:

9781285195698

Author:

Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:

Cengage Learning

Glencoe Algebra 1, Student Edition, 9780079039897…

Algebra

ISBN:

9780079039897

Author:

Carter

Publisher:

McGraw Hill

Mathematics For Machine Technology

Advanced Math

ISBN:

9781337798310

Author:

Peterson, John.

Publisher:

Cengage Learning,

Elementary Geometry for College Students

Geometry

ISBN:

9781285195698

Author:

Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:

Cengage Learning

Glencoe Algebra 1, Student Edition, 9780079039897…

Algebra

ISBN:

9780079039897

Author:

Carter

Publisher:

McGraw Hill

Mathematics For Machine Technology

Advanced Math

ISBN:

9781337798310

Author:

Peterson, John.

Publisher:

Cengage Learning,

SEE MORE TEXTBOOKS

10. A motor, when travelling from rest, travels the first twentieth of a mile at 6 miles per hour and the next three twentieth at respectively 8, 12, 24 miles per hour but its average speed over the first fifth of a mile is not 12:5 mile per hour but 9-6. Explain apparent paradox.