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A 2.00 kg solid sphere (I = 2/5 MR2) with a diameter of 50.0 cm is rotating at an angular velocity of 5.0 rad/s. The angular momentum of the rotating sphere is
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A 2.00 kg solid sphere (I = 2/5 MR2) with a diameter of 50.0 cm is rotating at an angular velocity of 5.0 rad/s. The angular momentum of the rotating sphere is

User AlTus
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1 Answer

8 votes
8 votes

m = mass = 2kg

Diameter = 50 cm

radius= diameter /2= 50/2 = 25cm = 0.25m

w= angular velocity = 5 rad/s

L= I x W

I =2/5 * m*r^2 = 2/5 * 2 * 0.25^2 = 0.05 kgm^2

L= I x W = 0.05 * 5 = 0.25 kgm^2 / s

User Silvertiger
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