8:29 AM @ 21% LJ a session.masteringphysics.com C Problem 11.48 Atorque of 0.13N
ID: 1795045 • Letter: 8
Question
8:29 AM @ 21% LJ a session.masteringphysics.com C Problem 11.48 Atorque of 0.13N-In is applied to an egg beater. Part A If the egg beater starts at rest, what is its angular momentum after 050s Express your answer using two significant figures. L. 15-10 Submit Incorrect: Try Again; 9 attempts remaining My Answers Give Up Part B If the moment of inertia of the egg beater is 2.8×10-1kg . m2,what is its angular speed after 0.50 s ? Express your answer using two significant figures. rad/ls Submit My Answers Give Up
Explanation / Answer
a)
angular momentum
L=Tt =0.13*0.5
L=0.065 Kg-m2/s
b)
angular speed
W=L/I =0.065/(2.8*10-3)
W=23.2 rad/sec
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