If the vector below is multiplied by 2, what will be its end point? a. (4, -1) b. (4, -2) c. (2, 2) d. (2, -2)

B. (4, -2)

Explanation:

The vector shown in the image is (2, -1)

Now, the scalar multiplication for vectors works in the next way:

for a scalar c and a vector (x,y)

c*(x,y) = (c*x, c*y)

In our case, the scalar is 2, and the vector is (2, -1)

2*(2, - 1) = (2*2, -1*2) = (4, -2)

Then the correct option is the option B.

0.19 m/s and 0.45 m/s

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