a) Calculate the instantaneous angular acceleration a, in rad/s? at t = 2.88 s. Insert your answer correct up to at least a third decimal place. b) Calculate the average angular acceleration a av-, in rad/s^2 for the time interval t = 0 to t = 3 s. Insert your answer correct up to at least a third decimal place.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A fan blade rotates with angular velocity given by w2(t) = y – Bt2 , where y
= 6.95 rad/s and ß = 0.73 rad/s³ .
a)
Calculate the instantaneous angular acceleration a, in rad/s² at t = 2.88 s. Insert your answer correct up to at least a third
decimal place.
b)
Calculate the average angular acceleration aav_, in rad/s^2 for the time interval t = 0 to t = 3 s. Insert your answer correct
up to at least a third decimal place.
Transcribed Image Text:A fan blade rotates with angular velocity given by w2(t) = y – Bt2 , where y = 6.95 rad/s and ß = 0.73 rad/s³ . a) Calculate the instantaneous angular acceleration a, in rad/s² at t = 2.88 s. Insert your answer correct up to at least a third decimal place. b) Calculate the average angular acceleration aav_, in rad/s^2 for the time interval t = 0 to t = 3 s. Insert your answer correct up to at least a third decimal place.
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