Question

1. A vector is parallel to the y-axis. What is its x component? 2. A vector has equal, positive x and y components and zero z component. What is the angle between this vector and the x axis? 3. A vector A has an x component Ax=3 and a y component Ay= -1. What are the x and y components of the vector 2A? The vector -4A? 4. What is the magnitude of the vector i + j? 5. A large oil tanker proceeds from Ivory Coast to Morocco via the main port in one city (point A). A small oil tanker proceeds from Ivory Coast to Morocco via its secondary port in a different city (POINT B). Are the displacement vectors of the two tankers equal? Are the distances covered equal? 6. An airplane flies from Freetown to Monrovia and back to Freetown. Is the displacement zero in the reference frame of the earth? In the reference frame of the sun? 7. Does a vector of zero magnitude have a direction? Does it matter?

          1. A vector is parallel to the y-axis. What is its x component?
    2. A vector has equal, positive x and y components and zero z component. What is the angle between this vector and the x axis?
    3. A vector A has an x component Ax=3 and a y component Ay= -1. What are the x and y components of the vector 2A? The vector -4A?
    4. What is the magnitude of the vector i + j?
    5. A large oil tanker proceeds from Ivory Coast to Morocco via the main port in one city (point A). A small oil tanker proceeds from Ivory Coast to Morocco via its secondary port in a different city (POINT B). Are the displacement vectors of the two tankers equal? Are the distances covered equal?
    6. An airplane flies from Freetown to Monrovia and back to Freetown. Is the displacement zero in the reference frame of the earth? In the reference frame of the sun?
    7. Does a vector of zero magnitude have a direction? Does it matter?

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Added by Jacqueline C.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Frank Deng

04/13/2022

Step 1

Step 2: For a vector with equal positive x and y components and zero z component, the angle between this vector and the x-axis is 45 degrees. Step 3: Given vector A with x component Ax=3 and y component Ay=-1, the x and y components of 2A would be 2*3=6 and Show more…

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1. A vector is parallel to the y-axis. What is its x component? 2. A vector has equal, positive x and y components and zero z component. What is the angle between this vector and the x axis? 3. A vector A has an x component Ax=3 and a y component Ay= -1. What are the x and y components of the vector 2A? The vector -4A? 4. What is the magnitude of the vector i + j? 5. A large oil tanker proceeds from Ivory Coast to Morocco via the main port in one city (point A). A small oil tanker proceeds from Ivory Coast to Morocco via its secondary port in a different city (POINT B). Are the displacement vectors of the two tankers equal? Are the distances covered equal? 6. An airplane flies from Freetown to Monrovia and back to Freetown. Is the displacement zero in the reference frame of the earth? In the reference frame of the sun? 7. Does a vector of zero magnitude have a direction? Does it matter?

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Transcript

00:01 In this question, we look at a few vectors.

00:03 First, you have vector polarity the y axis.

00:05 What's the x component? of course, it's zero, right? a vector has equal positive x, y, components, and zero d component.

00:12 What's the angle between this vector and x, of course, 4 to 45 degrees, right? and a vector a factor a has x component, x, x equals 3 and y component, a y, quite.

00:24 What are the x and y components in the vacuble? well, you just double the x and y components, right? so that would be six minus two, right? so x component of that would be six and y combe would be minus two.

00:37 And the vector minus four a, you just need to reverse the vector a and make it lens longer four times longer, right? so in other words, 2a will be given by six minus two and minus four a will be given by minus 12, four, right? what is the magnitude of the vector? well, the magnitude of the vector is square of two, right? a large oil tank proceeds from africa to morocco via the main port in one city, point a.

01:13 A small oil tanker proceeds from across to morocco via a secondary port and a difference point b.

01:23 So, well, let me try to write africa coast, right? every coast and morocco is here, suppose.

01:34 So these are the two cities.

01:37 And one takes, oricotanga, tastes this way, right? the other one takes maybe a different dilute going both to these two cities.

01:46 Are the dispersion vectors of the two tankers you quote? yes, they're exactly the same because they both points from this every coast to morocco, right? so they have the same displacement...

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