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Serjik [45]
3 years ago
7

Vector A has y-component Ay= +15.0 m . A makes an angle of 32.0 counterclockwise from the +y-axis. What is the x component of A?

What is the magnitude of A?

Physics
2 answers:
Gemiola [76]3 years ago
6 0

Answer:

x-component=-9.3 m

Magnitude of A=17.7m

Explanation:

We are given that

A_y=+15 m

\theta=32^{\circ}

We have to find the x-component of A and magnitude of A.

According to question

A_y=\mid A\mid cos\theta

Substitute the values then we get

15=\mid A\mid cos32

\mid A\mid =\frac{15}{cos32}=\frac{15}{0.848}

\mid A\mid=17.7m

tan\theta=\frac{perpendicular\;side}{Base}

tan32=\frac{A_x}{A_y}=\frac{A_x}{15}

0.62\times 15=A_x

A_x=9.3

The value of x-component of A is negative because the vector A lie  in second quadrant.

Hence, the x- component of A=-9.3 m

Bingel [31]3 years ago
4 0

Answer:

The x component is 24.0 m and the magnitude of vector A is 28.30 m.

Explanation:

Given that,

Vertical component A_{y}=+15.0 m

Angle = 32.0

We need to calculate the x component of A

Using formula of angle

\tan\theta=\dfrac{A_{y}}{A_{x}}

A_{x}=\dfrac{A_{y}}{\tan\theta}

Where, A_{y} = vertical component

A_{x} =  horizontal component

Put the value into the formula

A_{x}=\dfrac{15.0}{\tan32}

A_{x}=24.0\ m

We need to calculate the magnitude of A

Using formula of vector magnitude

|A|=\sqrt{(15.0)^2+(24.0)^2}

|A|=28.30\ m

Hence, The x component is 24.0 m and the magnitude of vector A is 28.30 m.

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