Quiz Ch 8

Quiz Ch 8 - Quiz for Chapter 8 Question 1. Complete the...

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Quiz for Chapter 8 Question 1. Complete the following statement: The angular measure 1.0 radian is equal to (a) 0.0175°. (c) 1.57°. (b) 57.3°. (d) 3.14°. Answer: (b) Question 2. A bicycle travels 141 m along a circular track of radius 15 m. What is the angular displacement in radians of the bicycle from its starting position? (a) 1.0 rad (c) 3.0 rad (b) 1.5 rad (d) 9.4 rad Answer: (d) Question 3. A grindstone, initially at rest, is given a constant angular acceleration so that it makes 20.0 rev in the first 8.00 s. What is its angular acceleration? (a) 0.393 rad/s 2 (c) 2.50 rad/s 2 Answer: (a) (b) 0.625 rad/s 2 (d) 1.97 rad/s 2 Question 4. What is the tangential speed of a lug nut on a wheel of a car if the lug nut is located 0.114 m from the axis of rotation; and the wheel is rotating at 6.53 rev/sec? (a) 0.745 m/s (c) 4.68 m/s (d) 9.36 m/s (b) 1.49 m/s Answer: (c) Question 5. What is the tangential speed of Nairobi, Kenya, a city near the equator? The earth makes one revolution every 23.93 h and has an equatorial radius of 6380
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This note was uploaded on 12/09/2008 for the course PHY 1408 taught by Professor Russell during the Fall '07 term at Baylor.

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Quiz Ch 8 - Quiz for Chapter 8 Question 1. Complete the...

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