A 4-N object object swings on the end of a string as a simple pendulum. At the bottom of the swing, the tension in the string is 9 N. What i

Question

A 4-N object object swings on the end of a string as a simple pendulum. At the bottom of the swing, the tension in the string is 9 N. What is the magnitude of the centripetal acceleration of the object at the bottom of the swing? Give the answer as a function of the acceleration due to gravity, g.

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Nick 5 years 2021-08-10T13:26:51+00:00 1 Answers 20 views 0

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  1. vankhanh
    0
    2021-08-10T13:28:33+00:00
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    Answer:

    Explanation:

    Given mg = 4N .

    m = 4 / g

    At the bottom of the swing let centripetal acceleration be a

    T – mg = ma

    9 – 4 = ma

    5 = 4 a  / g

    a =  5g / 4

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