Two trains Start at the Same timefrom the SamePlace and travel inOpposite directions. One travels Ot theraterate ofthey be 550 Km apart ?(aila hrs)of 1H0 Km/br and he Other Ot the80 Km/hr.In how many hours will

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Answered: Two trains Start at the Sam Fom the…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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13. Suppose two 5-meter poles are fixed to the ground in upright position [in red], one in San Diego, CA and the other 392 miles due east near Phoenix, AZ. Assume both lie on the earths equa- tor. Suppose at noon the pole in San Diego casts NO shadow, while the pole in Phoenix casts a shadow of 0.51 meters [in blue]. Based on this information and the diagram shown, se- lect the true statement/s, assume r is unknown, and refers to the radius of the earth, assume approximations are acceptable where appropriate. Assume 0 refers to angle ZLDE and as- sume the world is perfectly round. A B A E D sunlight the radius of the earth, r≈ 3617.33 miles B 05.82403° C The portion of the circumference of the earth from one pole to the other is 392 miles D E F G H I 0 = tan-1 r = 0.51 5 392 5.82403° 2πT 360° -miles not enough information is given to estimate the ra- dius of the earth The portion of the circumference of the earth from one pole to the other is 5.82403° 360° 2πr 392miles = 5.82403° 360⁰…
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Two trains Start at the Sam Fom the Same place and trau- oposite directions. One trave te of 14o Km/hr and the a te of 80 Km/hr. In how mac ey be 550 Km apart? ate