A 34.0 kg wheel, essentially a thin hoop with radius 1.50 m, is rotating at 250 rev/min. It must be brought to a stop in 11 s. How much work must be done to stop it? What is the required average power?

Q: A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley,…

A: The mass of the disk is 10.0 kg. The radius of the disk is 21.0 cm. The distance traveled by the…

Q: A solid spherical ball with a mass 1.51 kg and radius 0.40 m rolls without slipping down an incline…

A: mgh=12mv2+12Iω2     gh=12mv2+1225mr2vr2       v=107gh

Q: A disk of mass 3.3 kg and radius 0.25 m is initially spinning at 510 rpm. A brake is applied until…

A:

Q: Mary is an avid game show fan and one of the contestants on a popular game show. She spins the wheel…

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Q: 3. A mass hangs from a fixed pulley. The mass is released from rest. Find the speed of the mass when…

A: We know that: m1=8.0 kg r=0.25 m m2=2.6 kg h=0.85 m Applying conservation of energy:…

Q: A 34 kg hoop of radius 1.3 m, initially rotating at 301 revolutions per minute, is brought smoothly…

A: Given the---- mass = 34 kg radius = 1.3 m rotation = 301 revolution per minute time taken = 20 sec…