A certain string can withstand a maximum tension of 55N before breaking.What is the maximum speed at which we can safely swing a 1.0 kg mass

Question

A certain string can withstand a maximum tension of 55N before breaking.What is the maximum speed at which we can safely swing a 1.0 kg mass on a piece of this string 0.50m long in a horizontal circle?​

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Thu Thủy 4 years 2021-08-11T18:04:30+00:00 1 Answers 18 views 0

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  1. kimchi2
    0
    2021-08-11T18:05:39+00:00
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    Explanation:

    Fmax = Fc = mv^2/r

    m \frac{ {v}^{2} }{r} = f\frac{}{max} \\ {v}^{2} = \frac{(0.50 \: m)(55 \: n)}{1.0 \: kg} = 27.5 \: \frac{ {m}^{2} }{ {s}^{2} } \\ v = 5.2 \: \frac{m}{s}

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