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Ulleksa [173]
3 years ago
9

You rub a balloon on your head and it becomes negatively charged. The balloon will be MOST attracted to A) a piece of metal. B)

positively charged hair. C) the neutrally charged wall. D) another negatively charged balloon.
Physics
2 answers:
NikAS [45]3 years ago
8 0
I believe the correct answer is B.<span>positively charged hair.</span>
Musya8 [376]3 years ago
6 0

It will be attracted most to your positively charged hair. This is why it will make it stand on end. Unlike charges attract, like charges repel.

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Answer:

Rate = 1.33 \pm 0.055 beats per second

Explanation:

Number of heart beats = 40 \pm 1

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now we have

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now rate of heart beat is defined as number of heart beat per unit of time

so we have

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so we have

Rate = 1.33 \pm (2.5 + 1.67 )

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