Physics, 28.09.2019 22:10 valeriearras
Two blocks of masses m and m are connected by a string and pass over a frictionless pulley. mass m hangs vertically, and mass m moves on an inclined plane that makes an angle θ with the horizontal. draw a sketch, and if the coefficient of kinetic friction is μk, calculate the angle θ for which the blocks move with uniform velocity. discuss the special case when m = m
Answers: 2
Physics, 21.06.2019 17:30
Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?
Answers: 3
Physics, 22.06.2019 10:00
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
Physics, 22.06.2019 19:30
How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1
Answers: 3
Physics, 23.06.2019 01:00
What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?
Answers: 3
Two blocks of masses m and m are connected by a string and pass over a frictionless pulley. mass m h...
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