Physics, 27.11.2019 04:31 NetherisIsTheQueen
Abucket of mass m is hanging from the free end of a rope whose other end is wrapped around a drum (radius r, mass m) that can rotate with negligible friction about a stationary horizontal axis. the drum is not a uniform cylinder and has unknown moment of inertia. when you release the bucket from rest, you find that it has a downward acceleration of magnitude a. what is the tension in the cable between the drum and the bucket?
Answers: 3
Physics, 21.06.2019 17:00, itzia00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
Answers: 1
Abucket of mass m is hanging from the free end of a rope whose other end is wrapped around a drum (r...
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