You walk 73.2 m at a speed of 1.22 m/s and then run 73.2 m at a speed of 3.05 m/s along a straight path.  What is your average speed for this whole journey?   A. 1.38 m/s   B. 2.14 m

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter2: Kinematics
Section: Chapter Questions
Problem 47PE: (a) Calculate the height of a cliff if it takes 2.35 s for a rock to hit the ground when it is...
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You walk 73.2 m at a speed of 1.22 m/s and then run 73.2 m at a speed of 3.05 m/s along a straight path.  What is your average speed for this whole journey?

  A.

1.38 m/s

  B.

2.14 m/s

  C.

1.74 m/s

  D.

None of the other answers

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