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nat was her average speed, in r

nat was her average speed, in r

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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## HW 3 **Begin Date:** 9/30/2021 12:01:00 AM **Due Date:** 10/22/2021 11:59:00 PM **End Date:** 12/16/2021 11:59:00 PM --- ### Problem 4 **(3%)** A student drove to the university from her home and noted that the odometer reading of her car increased by **19.1 km**. The trip took **20.4 min**. --- #### Part (a) **33%** What was her average speed, in meters per second? - Formula: \( s_{\text{ave}} = \) Input box provided for response. --- #### Calculator Functions A virtual calculator is available with functions including: - Trigonometric functions: sin(), cos(), tan() - Inverse trigonometric functions: cotan(), asin(), acos() - Hyperbolic functions: sinh(), cosh(), tanh(), etc. - Constants and operations: π, e, +, -, (, ), ., etc. Mode: Degrees, Radians --- #### Hints - **0% deduction per hint. Hints remaining:** 2 --- #### Feedback - **0% deduction per feedback.** --- #### Grade Summary - **Deductions:** 0% - **Potential:** 100% --- ### Additional Parts #### Part (b) **33%** If the straight-line distance from her home to the university is **10.5 km** in a direction **25° south of east**, what was the magnitude of her average velocity in meters per second? --- #### Part (c) **33%** If she drove back home using the same path she took out to the university and arrives **7.3 h** after she first left home, what was her average speed for the entire trip, in meters per second? --- #### Submissions **Attempts remaining:** 4 (0% per attempt) 1 submission made **Score:** 0% ---
Transcribed Image Text:## HW 3 **Begin Date:** 9/30/2021 12:01:00 AM **Due Date:** 10/22/2021 11:59:00 PM **End Date:** 12/16/2021 11:59:00 PM --- ### Problem 4 **(3%)** A student drove to the university from her home and noted that the odometer reading of her car increased by **19.1 km**. The trip took **20.4 min**. --- #### Part (a) **33%** What was her average speed, in meters per second? - Formula: \( s_{\text{ave}} = \) Input box provided for response. --- #### Calculator Functions A virtual calculator is available with functions including: - Trigonometric functions: sin(), cos(), tan() - Inverse trigonometric functions: cotan(), asin(), acos() - Hyperbolic functions: sinh(), cosh(), tanh(), etc. - Constants and operations: π, e, +, -, (, ), ., etc. Mode: Degrees, Radians --- #### Hints - **0% deduction per hint. Hints remaining:** 2 --- #### Feedback - **0% deduction per feedback.** --- #### Grade Summary - **Deductions:** 0% - **Potential:** 100% --- ### Additional Parts #### Part (b) **33%** If the straight-line distance from her home to the university is **10.5 km** in a direction **25° south of east**, what was the magnitude of her average velocity in meters per second? --- #### Part (c) **33%** If she drove back home using the same path she took out to the university and arrives **7.3 h** after she first left home, what was her average speed for the entire trip, in meters per second? --- #### Submissions **Attempts remaining:** 4 (0% per attempt) 1 submission made **Score:** 0% ---
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