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Fan object moves in uniform circular motion in a circle of radius R=200 meters, and the objectes 5.00 seconds to
complete ten revolutions, calculate the centripetal acceleration
• ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are
measurements.
mis?
39.45
to2
100. mis
58 mis

Answer :

Answer:

The centripetal acceleration of the object is [tex]31550.72\ m/s^2[/tex].  

Explanation:

We have,

Radius of a circular path is 200 m

It takes 5 seconds to complete 10 revolutions. The angular velocity of the object is given by the rate of change of angular displacement per unit time :

[tex]\omega=\dfrac{\Delta \theta}{\Delta t}\\\\\omega=\dfrac{2\pi \times 10}{5}\\\\\omega=12.56\ rad/s[/tex]

The centripetal acceleration of the object is given by :

[tex]a=\omega^2 r\\\\a=(12.56)^2 \times 200\\\\a=31550.72\ m/s^2[/tex]

So, the centripetal acceleration of the object is [tex]31550.72\ m/s^2[/tex].

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