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Galina-37 [17]
3 years ago
13

Find the unit rate $28 for 7 people

Mathematics
2 answers:
Vlad1618 [11]3 years ago
6 0

Answer: 4 dollars per person .  that would be it .

Step-by-step explanation:

ziro4ka [17]3 years ago
5 0

Answer:

4$ per 1 person

Step-by-step explanation:

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A typical running track is an oval with 74-m-diameter half circles at each end. a runner going once around the track covers a di
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Her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

Step-by-step explanation:

Total distance covered in one round , D= 400 m

Time taken to cover one round , T = 1 min 40 s = 100 sec

Speed of runner , V=\frac{D}{T}=\frac{400}{100}\, \frac{m}{s}= 4.0\, \frac{m}{s}

Now centripetal acceleration is given by

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Radius, R= \frac{Diameter}{2}=\frac{74}{2}m=37\, m

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Thus her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

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