A search and rescue helicopter travels at constant speed in a horizontal plane. The figure below shows a portion of the path traveledby the helicopter, as viewed looking down from above. The helicopter's path includes three straight portions between points "1" and"2", points "4" and "5", and points "7" and "8", each of which has a length of 4000 m, as shown in the figure. It takes the helicopter2000 seconds to travel along each of these straight portions of its path. The semi-circular portions of the path (also shown in thefigure) have the same radius R=500m.+y YNorth)8.44000 mA semi-circle is one half of a circle.East6. 5. From the instant when it passes through point "2" until the instant it passes through point "4",the helicopter undergoes a change in velocity which is directedA. in the negative x direction.D. in the negative y direction.B. in the positive x direction.C. in the positive y direction.E. straight down towards the Earth's center.6. The total distance which the helicopter travels in moving from point "1" to point "8" isA. 1.36 x 10ª m.B. 1.51x10 m.c. 1.11×10 m.D. 1.30 × 10“ m.E. 4.47×10³ m.7. During the period of time it takes the helicopter to move from point "2" to point "5", its average velocity isA. 0.359 mî + 1.44 m/.c. - 0.359 m/î + 144 m/ j.- 144 m/, 3.B. 2.00 m/s.D. 0.359 mi - 1.44 m/ 3.E. - 0.359 m2

Given: Path of the helicopter from 1 to 8. R=500 m Time taken to travel 4000 m = 2000 sec

A search and rescue helicopter travels at constant speed in a horizontal plane. The figure below shows a portion of the path traveled by the helicopter, as viewed looking down from above. The helicopter's path includes three straight portions between points "1" and "2", points "4" and "5", and points "7" and "8", each of which has a length of 4000 m, as shown in the figure. It takes the helicopter 2000 seconds to travel along each of these straight portions of its path. The semi-circular portions of the path (also shown in the figure) have the same radius R=500m.

A search and rescue helicopter travels at constant speed in a horizontal plane. The figure below shows a portion of the path traveled by the helicopter, as viewed looking down from above. The helicopter's path includes three straight portions between points "1" and "2", points "4" and "5", and points "7" and "8", each of which has a length of 4000 m, as shown in the figure. It takes the helicopter 2000 seconds to travel along each of these straight portions of its path. The semi-circular portions of the path (also shown in the figure) have the same radius R=500m.

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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Scalars and Vectors

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Question

A search and rescue helicopter travels at constant speed in a horizontal plane. The figure below shows a portion of the path traveled
by the helicopter, as viewed looking down from above. The helicopter's path includes three straight portions between points "1" and
"2", points "4" and "5", and points "7" and "8", each of which has a length of 4000 m, as shown in the figure. It takes the helicopter
2000 seconds to travel along each of these straight portions of its path. The semi-circular portions of the path (also shown in the
figure) have the same radius R=500m.
+y YNorth)
8.
4
4000 m
A semi-circle is one half of a circle.
East
6.

5. From the instant when it passes through point "2" until the instant it passes through point "4",
the helicopter undergoes a change in velocity which is directed
A. in the negative x direction.
D. in the negative y direction.
B. in the positive x direction.
C. in the positive y direction.
E. straight down towards the Earth's center.
6. The total distance which the helicopter travels in moving from point "1" to point "8" is
A. 1.36 x 10ª m.
B. 1.51x10 m.
c. 1.11×10 m.
D. 1.30 × 10“ m.
E. 4.47×10³ m.
7. During the period of time it takes the helicopter to move from point "2" to point "5", its average velocity is
A. 0.359 mî + 1.44 m/.
c. - 0.359 m/î + 144 m/ j.
- 144 m/, 3.
B. 2.00 m/s.
D. 0.359 mi - 1.44 m/ 3.
E. - 0.359 m
2

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