Class Management Help HW7 Begin Date: 10/20/2017 12:00:00 AM Due Date: 10/26/201
ID: 1784704 • Letter: C
Question
Class Management Help HW7 Begin Date: 10/20/2017 12:00:00 AM Due Date: 10/26/2017 8 00:00 AM End Date: 12212017 1200 00 AM (9%) Problem 3: During thespincyclethetmed pendent ang lar speedofa washing machine drumsgiven by the equation e (0-at + br.ct where a = 29 rad s2, b=0.55 rad/s, and c=0.035 rads. At time t-0s apont at 2.2 rad. P on the washer drum is located Write an equation for the angular acceleration of the drum, as a function of tine ve 25% Part (b) What is the angular acceleration n radans per square second, at time t = 3.6 s? in terms of the given parameters. 25% Part (a) a8 25% Part (c) Write an equation for the an gular position of the point P, as a function of time, in terms of the given parameters. Grade Summary Deductions Potential 92% Submissions Attempts remaining 1 te per attempt) tailed view END m. BACKSPACE CLEAR Hint I give u Submit Feedback: 5% deduction per feedback Hints:--deduction per hint Hints remaining: M 25% Part (d) What is the angular position of the pont Pon the drum, in radians, at-36 s? Al osmeat 8 2017TA.LLCExplanation / Answer
w = a t + bt^2 - ct^4
d(theta) = w dt
theta - theta0 = (a t^2 / 2 + b t^3 / 3 - c t^5 / 5 )
theta = theta0 + a t^2 / 2 + b t^3 / 3 - c t^5 / 5
(d) theta = 2.2 + (2.9 x 3.6^2 / 2) + (0.55 x 3.60^3 / 3) - (0.035 x 3.60^5 / 5)
theta = 25.3 rad