Secure l https//session mastering com/myct/temview?assignmentProblemlD 75822321

Question

Secure l https//session mastering com/myct/temview?assignmentProblemlD 75822321 physics University Physics at FDU Signed in as brianna thomas Help Close S17-21-51 Item 1 r instru Time Remaining: 00:39:47 Hide r previous l 1 of 3 next Item 1 Part A urse Athin, 100 g disk with a diameter of 6.50 cm What is the speed of a point on the rim? rotates about an axis through its center with 0.290 J Express your answer with the appropriate units. of kinetic energy. Sunda Value Units My Answers Give Up Submit Provide Feedback Continue

Explanation / Answer

Moment of inertia of disk

I=(1/2)MR2=(1/2)*0.1*(0.065/2)2

I=5.28*10-5 Kg-m2

Kinetic energy is given by

K=(1/2)IW2

0.29=(1/2)*(5.28*10-5)*W2

W=104.8 rad/sec

speed

V=RW=(0.065/2)*104.8

V=3.4 m/s

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---