I Review I Constants An electric turntable 0.780 m in diameter is rotating about a fixed axis with an initial angular velocity of 0.210 rev/s. The angular acceleration is 0.918 rev/s². Part A Compute the angular velocity after a time of 0.206 s. Express your answer in revolutions per second. w = 0.399 rev/s Submit Previous Answers Correct Part B Through how many revolutions has the blade turned in this time interval? Express your answer in revolutions. N = 6.27×10-2 rev Submit Previous Answers v Correct Correct answer is shown. Your answer 0.061 rev was either rounded differently or used a different number of significant figures than required for this part.

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I Review I Constants
An electric turntable 0.780 m in diameter is rotating
about a fixed axis with an initial angular velocity of
0.210 rev/s. The angular acceleration is
0.918 rev/s2.
Part A
Compute the angular velocity after a time of 0.206 s.
Express your answer in revolutions per second.
W = 0.399 rev/s
Submit
Previous Answers
Correct
Part B
Through how many revolutions has the blade turned in this time interval?
Express your answer in revolutions.
N = 6.27x10-2 rev
%3D
Submit
Previous Answers
Correct
Correct answer is shown. Your answer 0.061 rev was either rounded
differently or used a different number of significant figures than required for
this part.
P Pearson
Transcribed Image Text:I Review I Constants An electric turntable 0.780 m in diameter is rotating about a fixed axis with an initial angular velocity of 0.210 rev/s. The angular acceleration is 0.918 rev/s2. Part A Compute the angular velocity after a time of 0.206 s. Express your answer in revolutions per second. W = 0.399 rev/s Submit Previous Answers Correct Part B Through how many revolutions has the blade turned in this time interval? Express your answer in revolutions. N = 6.27x10-2 rev %3D Submit Previous Answers Correct Correct answer is shown. Your answer 0.061 rev was either rounded differently or used a different number of significant figures than required for this part. P Pearson
I Review I Constants
Part C
An electric turntable 0.780 m in diameter is rotating
about a fixed axis with an initial angular velocity of
0.210 rev/s. The angular acceleration is
0.918 rev/s?.
What is the tangential speed of a point on the tip of the blade at time t
= 0.206 s?
Express your answer in meters per second.
v = 0.978 m/s
Submit
Previous Answers
Correct
Part D
What is the magnitude of the resultant acceleration of a point on the tip of the blade at
time t = 0.206 s?
Express your answer in meters per second squared.
ΑΣφ
?
a = 0.059
m/s?
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining
Transcribed Image Text:I Review I Constants Part C An electric turntable 0.780 m in diameter is rotating about a fixed axis with an initial angular velocity of 0.210 rev/s. The angular acceleration is 0.918 rev/s?. What is the tangential speed of a point on the tip of the blade at time t = 0.206 s? Express your answer in meters per second. v = 0.978 m/s Submit Previous Answers Correct Part D What is the magnitude of the resultant acceleration of a point on the tip of the blade at time t = 0.206 s? Express your answer in meters per second squared. ΑΣφ ? a = 0.059 m/s? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
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