Return to the city blocks shown to the right where each block has a length b = 80 m, east is right and is +â; north is 'up' and is +ŷ. This time you have two drones. 'Crow' has a mass of 850 g and is programmed to fly at 12 m/s directly as the crow flies.' 'City' has a mass of 750 g and is programmed to fly at 16 m/s, but City is programmed to go from point to point by following the streets. (It can make 90° turns while maintaining its speed!) A B (a) Write an expression for the average velocity of each drone as it travels from A to B. Express this velocity both as vector components (that is, as re +ry y) and as a magnitude and a direction (that is, as r@0). (b) If both drones leave point A at the same time, which gets to B first and by how much does it win? Explain clearly how the average velocities from (a) show which drone will win.
Return to the city blocks shown to the right where each block has a length b = 80 m, east is right and is +â; north is 'up' and is +ŷ. This time you have two drones. 'Crow' has a mass of 850 g and is programmed to fly at 12 m/s directly as the crow flies.' 'City' has a mass of 750 g and is programmed to fly at 16 m/s, but City is programmed to go from point to point by following the streets. (It can make 90° turns while maintaining its speed!) A B (a) Write an expression for the average velocity of each drone as it travels from A to B. Express this velocity both as vector components (that is, as re +ry y) and as a magnitude and a direction (that is, as r@0). (b) If both drones leave point A at the same time, which gets to B first and by how much does it win? Explain clearly how the average velocities from (a) show which drone will win.
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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![2.7. Return to the city blocks shown to the right
where each block has a length b = 80 m, east
is right and is +â; north is 'up' and is +ŷ.
This time you have two drones. 'Crow' has
a mass of 850 g and is programmed to fly at
12 m/s directly 'as the crow flies.' 'City' has
a mass of 750 g and is programmed to fly at
16 m/s, but City is programmed to go from
point to point by following the streets. (It can
make 90° turns while maintaining its speed!)
A
B
(a) Write an expression for the average velocity of each drone as it travels from A to B.
Express this velocity both as vector components (that is, as rex+ryŷ) and as a magnitude
and a direction (that is, as r@0).
(b) If both drones leave point A at the same time, which gets to B first and by how much
does it win? Explain clearly how the average velocities from (a) show which drone will
win.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe8155bbe-1399-4316-8f13-3d2b3eca6f2f%2F3d22da99-6b63-44c5-9022-13ad19980c70%2Fcm3e7gc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.7. Return to the city blocks shown to the right
where each block has a length b = 80 m, east
is right and is +â; north is 'up' and is +ŷ.
This time you have two drones. 'Crow' has
a mass of 850 g and is programmed to fly at
12 m/s directly 'as the crow flies.' 'City' has
a mass of 750 g and is programmed to fly at
16 m/s, but City is programmed to go from
point to point by following the streets. (It can
make 90° turns while maintaining its speed!)
A
B
(a) Write an expression for the average velocity of each drone as it travels from A to B.
Express this velocity both as vector components (that is, as rex+ryŷ) and as a magnitude
and a direction (that is, as r@0).
(b) If both drones leave point A at the same time, which gets to B first and by how much
does it win? Explain clearly how the average velocities from (a) show which drone will
win.
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