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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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Class Management | Help 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 (3%) Problem 4: 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. > 8 33% Part (a) What was her average speed, in meters per second? Grade Summary Save = Deductions 0% Potential 100% sin() cos() tan() 8 9 НОМЕ Submissions Attempts remaining: 4 (0% per attempt) detailed view cotan() asin() acos() E AA 4 atan() acotan() sinh() 2 3 1 0% cosh() O Degrees O Radians tanh() cotanh() • END - VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. E A 33% Part (b) 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? I A 33% Part (c) 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?
Transcribed Image Text:Class Management | Help 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 (3%) Problem 4: 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. > 8 33% Part (a) What was her average speed, in meters per second? Grade Summary Save = Deductions 0% Potential 100% sin() cos() tan() 8 9 НОМЕ Submissions Attempts remaining: 4 (0% per attempt) detailed view cotan() asin() acos() E AA 4 atan() acotan() sinh() 2 3 1 0% cosh() O Degrees O Radians tanh() cotanh() • END - VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. E A 33% Part (b) 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? I A 33% Part (c) 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?
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