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A 38-kilogram child roller skates on a circular track with a radius of 24 m. Her velocity is 6.0 m/s. How much centripetal force does she experience? A) 0.16 N B) 0.38 N C) 57 N D) 580 N
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Sep 23, 2017
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A 38-kilogram child roller skates on a circular track with a radius of 24 m. Her velocity is 6.0 m/s. How much centripetal force does she experience?
A) 0.16 N
B) 0.38 N
C) 57 N
D) 580 N
Physics
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MikaelHalen
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Force = mass * centripetal acceleration; F = m*a
Centripetal acceleration, a = velocity^2 / radius; a = v^2 / r
F = m * v^2 / r
F = 38 kg * [6.0 m/s]^2 / 24 m = 57 N
Answer: option C) 57 N
Vikomall
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Sep 27, 2017
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Vikomall
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