Fundamentals of Physics Study Set 2

Physics & Astronomy

Quiz 10 :
Rotation

Quiz 10 :
Rotation

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A radian is about:
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Answer:

D

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One revolution is the same as:
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Answer:

E

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One revolution per minute is about:
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Answer:

B

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If a wheel turns with constant angular speed then:
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One-dimensional linear position is measured along a line, from a point designated x = 0.One-dimensional angular position:
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An object rotates from θ1 to θ2 through an angle that is less than 2π radians.Which of the following represents its angular displacement?
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If a wheel is turning at 3.0 rad/s, the time it takes to complete one revolution is about:
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If a wheel turning at a constant rate completes 100 revolutions in 10 s its angular speed is:
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The angular speed of the second hand of a watch is:
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The angular speed of the minute hand of a watch is:
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A child, riding on a large merry-go-round, travels a distance of 3000 m in a circle of diameter 40 m.The total angle through which she revolves is:
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Ten seconds after an electric fan is turned on, the fan rotates at 300 rev/min.Its average angular acceleration is:
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A flywheel rotating at 12 rev/s is brought to rest in 6 s.The magnitude of the average angular acceleration of the wheel during this process is:
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A phonograph turntable, initially rotating at 0.75 rev/s, slows down and stops in 30 s.The magnitude of its average angular acceleration for this process is:
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If the angular velocity vector of a spinning body points out of the page then, when viewed from above the page, the body is spinning:
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The angular velocity vector of a spinning body points out of the page.If the angular acceleration vector points into the page then:
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The angular velocity of a rotating wheel increases 2 rev/s every minute.The angular acceleration of this wheel is:
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A wheel initially has an angular velocity of 18 rad/s.It has a constant angular acceleration of 2.0 rad/s2 and is slowing at first.What time elapses before its angular velocity is18 rad/s in the direction opposite to its initial angular velocity?
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A wheel initially has an angular velocity of 36 rad/s but after 6.0s its angular velocity is 24 rad/s.If its angular acceleration is constant the value is:
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A wheel initially has an angular velocity of -36 rad/s but after 6.0 s its angular velocity is -24 rad/s.If its angular acceleration is constant the value is:
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