Asked by Hannah
The angular speed of a propeller on a boat increases with constant acceleration from 12 rad/s to 26 rad/s in 2.5 revolutions. What is the acceleration of the propeller?
Answers
Answered by
drwls
Angular acceleration = (26 - 12)/Time
For the Time, use this equation
(Avg. Angular speed) x time
= 2.5*2 pi radians
Time = 0.827 s
Angular Acceleration
= [14 rad/s]/0.827 s
= ? rad/s^2
For the Time, use this equation
(Avg. Angular speed) x time
= 2.5*2 pi radians
Time = 0.827 s
Angular Acceleration
= [14 rad/s]/0.827 s
= ? rad/s^2
Answered by
Bixby
how is 2.5 x 2pi equal 0.827? Am I missing something?
Answered by
Brayden
2.5 x 2pi = Average Angular speed * time,
so
(2.5 x 2pi)/(average angular speed)=time
so
(2.5 x 2pi)/(average angular speed)=time
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