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Maksim231197 [3]
2 years ago
6

The diagram shows two different buttons and their weights.

Mathematics
1 answer:
Anon25 [30]2 years ago
3 0

Answer:8

Step-by-step explanation:

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9 0
2 years ago
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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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Answer:

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

a_c=\frac{V^{2}}{R}

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\therefore a_c=\frac{4^{2}}{37}\, \frac{m}{s^{2}}=0.432\, \frac{m}{s^{2}}

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

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2 years ago
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