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3 years ago

PLS HELP ILL GIVE U BRAINLIST

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

4 0

<h2>Answer:</h2>

B. |y| = 1.6

<h2>Step-by-step explanation:</h2>

A sketch of the vector is attached to this response.

As shown, the vector lies on the second quadrant and its horizontal and vertical components are given by x and y respectively.

Where;

|x| = v cos θ -----------------(i)

|y| = v sin θ -----------------(ii)

and

v = magnitude of the vector = 2.5km/hr

θ = angle that the vector makes with the +x axis = 90° + 50° = 140°

<em>To get the magnitude of the vector's vertical component</em>

<em>Substitute these values into equation(ii) as follows;</em>

|y| = 2.5 sin 140°

|y| = 2.5 x 0.6428

|y| = 1.607

|y| ≅ 1.6 km/hr

Therefore, the vertical component of the vector has a magnitude of 1.6 km/hr.

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