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Dmitriy789 [7]
3 years ago
6

Can someone please help me match these up

Physics
1 answer:
yaroslaw [1]3 years ago
4 0

Answer:

you need to give the answers choices

Explanation:

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Gravitational force is reduced by _____ between objects.
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Gravitational force is reduced by:
B. The square of the distance..... hope that helps ;)
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The answer is B. P waves.

I took the test and it was correct. I hope this helps!

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3 years ago
A vector has a magnitude of 46.0 m and points in a direction 20.0° below the positive x-axis. A second vector, , has a magnitude
irina1246 [14]

Answer with Step-by -step explanation:

We are given that

b.\mid A\mid=46 m

\theta=20^{\circ} below the positive x-axis

Therefore, the angle made by vector A in counter clockwise direction when measure from positive x-axis=x=360-20=340^{\circ}

x-component of vector A=A_x=\mid A\mid cosx=46cos 340=46\times 0.94=43.24

y-Component of vector A=A_y=\mid A\mid sinx=46sin340=46(-0.34)=-15.64

Magnitude of vector B=86 m

The vector B makes angle with positive x- axis=x'=42^{\circ}

x-component of vector B=B_x=86cos42=63.64

y-Component of vector B=B_y=86sin42=57.62

Vector A=A_xi+A_yj=43.24i-15.64j

Vector B=B_xi+B_yj=63.64i+57.62j

Vector C=A+B

Substitute the values

C=43.24i-15.64j+63.64i+57.62j

C=106.88i+41.98j

c.Direction=\theta=tan^{-1}(\frac{y}{x})=tan^{-1}(\frac{41.98}{106.88})=21.5^{\circ}

The direction of the vector C=21.5 degree

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What is the unit for the volt?<br> W<br> V =<br> 9<br> What is the unit for the volt
Likurg_2 [28]

the unit for volt is v

The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.

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