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elixir [45]
3 years ago
8

What percentage of Sun-like stars exists in multiple-star systems?

Physics
2 answers:
Elden [556K]3 years ago
8 0
It D 25% because of 25%25
natka813 [3]3 years ago
5 0

D. About 25%

25% of stars have compainions

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Element A and element B have bonded and formed compound AB. Which of the following statements is true? Compound AB has chemical
creativ13 [48]
The correct answer from the choices listed above is the first option. The statement that is true would be that c<span>ompound AB has chemical and physical properties that are completely different from those of A and B. They completely different substances with different properties.</span>
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when an object is charged by contact, how does the kind of charge transferred compare to that on the object giving the charge?
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3 years ago
A golf club rotates 215 degrees and has a length (radius) equal to 29 inches. The time it took to swing the club was 0.8 seconds
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Answer:

The average linear velocity (inches/second) of the golf club is 136.01 inches/second

Explanation:

Given;

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time of motion, t = 0.8 s

The angular speed of the club is calculated as follows;

\omega = (\frac{\theta}{360} \times 2\pi, \ rad) \times \frac{1}{t} \\\\\omega =  (\frac{215}{360} \times 2\pi, \ rad) \times \frac{1}{0.8 \ s} \\\\\omega = 4.69 \ rad/s

The average linear velocity (inches/second) of the golf club is calculated as;

v = ωr

v = 4.69 rad/s  x  29 inches

v = 136.01 inches/second

Therefore, the average linear velocity (inches/second) of the golf club is 136.01 inches/second

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