In Exercises 37–42, find ||v|| and find the unit vector in the direction of v. 37. v = (3, –4) 38. v = 39. v= 40. v= (2, 1, –-5) 6. The data in the table below are from a manufacturer which indicate the specifications of four different pressure sensors. The required sensor should have the following specifications: Measurement range is 20 – 150 kPa, Resolution =0.2 kPa, Accuracy = +0.5 kPa. Which of the following four sensors you choose? Explain why? Table. Specifications of pressure sensors Sensor 2 Range Accuracy Resolution Cost Expected lifetime Sensor 1 30 – 160 kPa| 0 – 160 kPa ± 0.5 kPa 0.2 kPa 20 R.O 7 Years + 0.05 kPa 0.02 kPa 100 R.O. 3 Years Sensor 3 10 – 160 kPa + 0.2 kPa 0.1 kPa 70 R.O. 5 years Sensor 4 20- 150 kPa + 0.5 kPa 0.5 kPa 50 R.O. 7 years

In Exercises 37–42, find ||v|| and find the unit vector in the direction of v. 37. v = (3, –4) 38. v = 39. v= 40. v= (2, 1, –-5) 6. The data in the table below are from a manufacturer which indicate the specifications of four different pressure sensors. The required sensor should have the following specifications: Measurement range is 20 – 150 kPa, Resolution =0.2 kPa, Accuracy = +0.5 kPa. Which of the following four sensors you choose? Explain why? Table. Specifications of pressure sensors Sensor 2 Range Accuracy Resolution Cost Expected lifetime Sensor 1 30 – 160 kPa| 0 – 160 kPa ± 0.5 kPa 0.2 kPa 20 R.O 7 Years + 0.05 kPa 0.02 kPa 100 R.O. 3 Years Sensor 3 10 – 160 kPa + 0.2 kPa 0.1 kPa 70 R.O. 5 years Sensor 4 20- 150 kPa + 0.5 kPa 0.5 kPa 50 R.O. 7 years

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter8: Applications Of Trigonometry

Section8.4: The Dot Product

Problem 19E

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