20) Suppose Vishal goes for a long jog.  During his journey:   He travels 25 m east, Then 50 m at an angle of 40° N of E (North of East) Then 10 m North, Then 60 m at an angle of 30° S of W (South of West)   Calculate Vishal’s displacement.  Note: Specify the magnitude, angle, and reference of the displacement vector.  Include all units with your answers and round your answers to two decimal places.

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter3: Two-dimensional Kinematics
Section: Chapter Questions
Problem 5PE: Suppose you first walk 12.0 m in a direction 20° west of north and then 20.0 m in a direction 40.0°...
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20) Suppose Vishal goes for a long jog.  During his journey:

 

  • He travels 25 m east,
  • Then 50 m at an angle of 40° N of E (North of East)
  • Then 10 m North,
  • Then 60 m at an angle of 30° S of W (South of West)

 

Calculate Vishal’s displacement.  Note: Specify the magnitude, angle, and reference of the displacement vector.  Include all units with your answers and round your answers to two decimal places.

 

            Magnitude: _________________

 

            Angle: ______________________

 

            Reference: ______________________

21) Which of the following is referring to speed (not velocity):

 

(a) 3 m/s south             (b) 3 m/s           (c) 55 ft/s          (d) 55 ft/s north            (e) both b and c             (f) both a and d

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