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White raven [17]
2 years ago
13

A satellite with a mass of 5.60 E5 kg is orbiting the Earth in a circular path at 7.037E 6 meters from

Physics
1 answer:
Bas_tet [7]2 years ago
7 0

Answer:7.99 m/s^2

Explanation:

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Which of the following statements about globular clusters is true? All stars in the cluster have approximately the same mass. Al
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Most stars in the cluster are yellow or reddish in color. Most

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2 years ago
A rock is suspended from a string, and it accelerates downward. Which one of the following statements is correct? Group of answe
Tems11 [23]

Answer:

a. The magnitude of the tension in the string is greater than the magnitude of the weight of the rock.

Explanation:

During the motion of the rock while it is in downward motion we can say

T - mg cos\theta = ma_c

since it is performing circular motion so we will have its acceleration towards its center

T = mgcos\theta + ma_c

a_c = \frac{v^2}{L}

T = mgcos\theta + \frac{mv^2}{L}

So at the lowest point of the path we can say

T = mg + \frac{mv^2}{L}

so correct answer is

a. The magnitude of the tension in the string is greater than the magnitude of the weight of the rock.

4 0
3 years ago
A ball thrown straight up into the air is found to be moving at 6.79 m/s after falling 1.87 m below its release point. Find the
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Answer:

3.07 m/s

Explanation:

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u=\sqrt {6.79^{2}-(2\times 9.81\times 1.87)}=3.068338313 m/s\approx 3.07 m/s

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