calinuurbaadil calinuurbaadil

08-04-2021
Mathematics

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2) A 0.4 kg ball moves in horizontal circle of radius 3 mat speed of 100m/s. What
is the centripetal force?
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sqdancefan sqdancefan

08-04-2021

9514 1404 393

Answer:

1333.3 N

Step-by-step explanation:

The centripetal acceleration is given by ...

a = v^2/r

a = (100m/s)^2/(3 m) = (10^4)/3 m/s^2

Then the force on the ball is ...

F = Ma = (0.4 kg)(10^4)/3 kg·m/s^2 ≈ 1333.3 N

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