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Rotating initially at 1800 rpm,

Rotating initially at 1800 rpm, a wheel with a diameter of 74.0 cm is brought to rest in 11.0 s. Calculate the magnitude of its
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2. asked by George
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Consider a rotating platform such as you used in lab. Imagine that it is initially rotating at some angular velocity.You drop a
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2. asked by sara
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How much tangential force must be exerted to stop a rotating solid disk (radius = 1.50 feet) weighing 480 lbs in 12.0 seconds?
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2. asked by Anonymous
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A large circular disk of mass 2kg and radius 0.2m initially rotating at 50rad/s is coupled a smaller circular disk of mass 4kg
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2. asked by Hanaayana
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A large circular disk of mass 2kg and radius 0.2m initially rotating at 50rad/s is coupled a smaller circular disk of mass
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2. asked by Hanaayana
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A thin disk, mounted on a frictionless vertical shaft of negligible rotational inertia, is rotating at 495 revolutions per
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2. asked by uma
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You are standing on a merry-go-round of mass 500 kg and radius 2 m. Initially you are at 1.2 m from the center and you are
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2. asked by anonymous
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An insect of mass 20g crawls from the centre to the outside edge of a rotating disc of mass 200g & radius 20cm. The disc was
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2. asked by Jitender
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A uniform, spherical bowling ball of mass m and radius R is projected horizontally along the ﬂoor at an initial velocity v0 =
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2. asked by Samantha
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An 1800 kg helicopter rises with an upward acceleration of 2.0 m/s2. What lifting force is supplied by its rotating blades?
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2. asked by Lee
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