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ziro4ka [17]
3 years ago
13

((HELP!!)) The _______ stage of change occurs when you're aware that a problem exists and are seriously thinking about overcomin

g it, but haven't yet made a commitment to take action.
A.) Contemplation
B.) Precontemplation
C.) Preparation
D.) Self-monitoring
Physics
1 answer:
FrozenT [24]3 years ago
6 0

"you....are seriously thinking about overcoming it, but haven't yet made a commitment to take action."

so u are beyond precontemplation but not at preparation - ans is A.) Contemplation

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3 years ago
What is rotation and revolution
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Determine the magnitude and direction of the resultant force of the following free body diagram.
Papessa [141]

Answer:

The magnitude and direction of the resultant force are approximately 599.923 newtons and 36.405°.

Explanation:

First, we must calculate the resultant force (\vec F), in newtons, by vectorial sum:

\vec F = [(-200\,N)\cdot \cos 60^{\circ}+(400\,N)\cdot \cos 45^{\circ}+300\,N]\,\hat{i} + [(200\,N)\cdot \sin 60^{\circ} + (400\,N)\cdot \sin 45^{\circ}-100\,N]\,\hat{j} (1)

\vec F = 182.843\,\hat{i} + 356.048\,\hat{j}

Second, we calculate the magnitude of the resultant force by Pythagorean Theorem:

\|\vec F\| = \sqrt{(482.843\,N)^{2}+(356.048\,N)^{2}}

\|\vec F\| \approx 599.923\,N

Let suppose that direction of the resultant force is an standard angle. According to (1), the resultant force is set in the first quadrant:

\theta = \tan^{-1}\left(\frac{356.048\,N}{482.843\,N} \right)

Where \theta is the direction of the resultant force, in sexagesimal degrees.

\theta \approx 36.405^{\circ}

The magnitude and direction of the resultant force are approximately 599.923 newtons and 36.405°.

4 0
2 years ago
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3 years ago
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