Vector C is multiplied by the scalar −2.

Physics
Tutor: None Selected Time limit: 1 Day

1. https://tcan4424-oakcliff-ccl.gradpoint.com/Resour... Vector C is multiplied by the scalar −2. What angle does the new vector make with the y-axis?

2. The components of vector A and vector B are:


Ax = + 7.6 Bx = +15.2
Ay = -9.2 By = −18.4

Which equation describes the relationship between the two vectors?

a. 68° 

b. B = A

c. B = A + (2,0)

d. B = 7.6A

e. B = 2A

3.What are the components of a vector with a magnitude of 4.00 and a direction of -112°?

May 18th, 2015

1. The C vector now reverses direction and makes a an angle of 22 degrees with the poistive y axis

2. By dividing it is easy to see that answer e: B=2A is the correct one.

3. Px = 4 cos(-112)= - 1.498 

Py = 4*sin(-112)= - 3.708

May 18th, 2015

these are answers are not on my answers choices.

May 18th, 2015

What choices do you have?


May 18th, 2015

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May 18th, 2015
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May 18th, 2015
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