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An angle of a circle with a 2 m radius is A0 = 20°. What is the corresponding arc length As? 11. D. 0.5946 m 0.8052 m 0.7030 m E. 0.7929 m 0.6981 m F. 0.7725 m A. B. C.

An angle of a circle with a 2 m radius is A0 = 20°. What is the corresponding arc length As? 11. D. 0.5946 m 0.8052 m 0.7030 m E. 0.7929 m 0.6981 m F. 0.7725 m A. B. C.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please answer number 11.
**Physics Practice Questions** --- **Question 10:** *A wheel is rotating with an angular velocity of 14 rev/s. What angular acceleration would be needed to bring the wheel to rest in a single rotation?* - A. -98.00 rev/s² - B. 120.3 rev/s² - C. 113.1 rev/s² - D. 22.19 rev/s² - E. 22.48 rev/s² - F. -3.247 rev/s² --- **Question 11:** *An angle of a circle with a 2 m radius is ΔΘ = 20°. What is the corresponding arc length Δs?* - A. 0.8052 m - B. 0.7030 m - C. 0.6981 m - D. 0.5946 m - E. 0.7929 m - F. 0.7725 m --- **Question 12:** *A child rolls a ball on a level floor 1.3 m to another child. If the ball makes 9.50 rev, what is its radius?* - A. 2.691 cm - B. 2.318 cm - C. 1.682 cm - D. 2.251 cm - E. 2.178 cm - F. 2.480 cm
Transcribed Image Text:**Physics Practice Questions** --- **Question 10:** *A wheel is rotating with an angular velocity of 14 rev/s. What angular acceleration would be needed to bring the wheel to rest in a single rotation?* - A. -98.00 rev/s² - B. 120.3 rev/s² - C. 113.1 rev/s² - D. 22.19 rev/s² - E. 22.48 rev/s² - F. -3.247 rev/s² --- **Question 11:** *An angle of a circle with a 2 m radius is ΔΘ = 20°. What is the corresponding arc length Δs?* - A. 0.8052 m - B. 0.7030 m - C. 0.6981 m - D. 0.5946 m - E. 0.7929 m - F. 0.7725 m --- **Question 12:** *A child rolls a ball on a level floor 1.3 m to another child. If the ball makes 9.50 rev, what is its radius?* - A. 2.691 cm - B. 2.318 cm - C. 1.682 cm - D. 2.251 cm - E. 2.178 cm - F. 2.480 cm
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