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Reptile [31]
3 years ago
8

A vector has an x-component of −24.5 units and a y-component of 31.5 units. Find the magnitude and direction of the vector.

Mathematics
1 answer:
jasenka [17]3 years ago
8 0

we are given a vector

whose

x-component is -24.5

so, v_x=-24.5

y-component is 31.5

so, v_y=31.5

Magnitude:

we can use formula

|v|=\sqrt{(v_x)^2+(v_y)^2}

we can plug values

|v|=\sqrt{(-24.5)^2+(31.5)^2}

|v|=39.90614

Direction:

we can use direction formula

\theta=tan^{-1}(\frac{v_y}{v_x})

now, we can plug values

\theta=tan^{-1}(\frac{31.5}{-24.5})

\theta=180-52.12

\theta=127.88................Answer

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