Answered: The graph shows the motion of an RC…

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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Q5. a) The graph shows the motion of an RC helicopter. What will be the average speed from point ‘A’ to point ‘G’. Between which two points (A-B or E-F) will the speed be more? Calculate.

Expert Solution

Step 1

average speed = (distance) / (time)

For distance see y - axis

for time see x- axis

In 0 to 5 seconds the distance covered is = 10 m

From 5th second to 10th second , distance = 0 m

From 10th second to 13th second , distance = 10 m

From 13th to 16th second , distance = 0

From 16th second to 21st second , distance = 5 m

From 21st to 28th second ,distance = 0 m

Total distance travelled = 10+0+10+0+5+0= 25 m

time = 28 s

average speed = 25/28 = 0.8928 m/s

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