Answer:
2.2 cm easily observable
Explanation:
= Mass of 12 C =
= Mass of 13 C =
= Radius of 12 C =
B = Magnetic field
v = Velocity of atom = 8.5 km/s
= Radius of 13 C
The force balance of the system is
The required magnetic field is
Radius is given by
So
The required diameter is
Separation is given by
The distance of separation is 2.2 cm which is easily observable.
Answer:
A(3.56m)
Explanation:
We have a conservation of energy problem here as well. Potential energy is being converted into linear kinetic energy and rotational kinetic energy.
We are given ω= 4.27rad/s, so v = ωr, which is 6.832 m/s. Place your coordinate system at top of the hill so E initial is 0.
Ef= Ug+Klin+Krot= -mgh+1/2mv^2+1/2Iω^2
Since it is a solid uniform disk I= 1/2MR^2, so Krot will be 1/4Mv^2(r^2ω^2= v^2).
Ef= -mgh+3/4mv^2
Since Ef=Ei=0
Mgh=3/4mv^2
gh=3/4v^2
h=0.75v^2/g
plug in givens to get h= 3.57m
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The correct option is b i.e none is correct.
The instantaneous velocity would be zero at the top but the acceleration would not be zero at that point. This is because the acceleration is the rate of change of velocity. since, the velocity is not constant, hence the acceleration would not be zero. The correct answer would be option b: None is correct.
The weight of 400 kg object is 881.849 pounds.