Answer:
Explanation:
Given
Potential Energy is given by
![U(x)=ax^2+\frac{b}{x^2}](https://tex.z-dn.net/?f=U%28x%29%3Dax%5E2%2B%5Cfrac%7Bb%7D%7Bx%5E2%7D)
And Force is given by
![F=-\frac{\mathrm{d} U}{\mathrm{d} x}](https://tex.z-dn.net/?f=F%3D-%5Cfrac%7B%5Cmathrm%7Bd%7D%20U%7D%7B%5Cmathrm%7Bd%7D%20x%7D)
Particle will be at equilibrium when Potential Energy is either minimum or maximum
![F=-\left ( 2ax-\frac{2b}{x^3}\right )](https://tex.z-dn.net/?f=F%3D-%5Cleft%20%28%202ax-%5Cfrac%7B2b%7D%7Bx%5E3%7D%5Cright%20%29)
i.e.![ax=\frac{b}{x^3}](https://tex.z-dn.net/?f=ax%3D%5Cfrac%7Bb%7D%7Bx%5E3%7D)
![x_0=(\frac{b}{a})^{0.25}](https://tex.z-dn.net/?f=x_0%3D%28%5Cfrac%7Bb%7D%7Ba%7D%29%5E%7B0.25%7D)
So angular Frequency of small oscillation is given by
![\omega =\sqrt{\frac{U''(x)}{m}}](https://tex.z-dn.net/?f=%5Comega%20%3D%5Csqrt%7B%5Cfrac%7BU%27%27%28x%29%7D%7Bm%7D%7D)
for ![m=1](https://tex.z-dn.net/?f=m%3D1)
we get ![\omega =\sqrt{\frac{U''(x_0)}{1}}](https://tex.z-dn.net/?f=%5Comega%20%3D%5Csqrt%7B%5Cfrac%7BU%27%27%28x_0%29%7D%7B1%7D%7D)
![U''(x_0)=2a+6a= 8a](https://tex.z-dn.net/?f=U%27%27%28x_0%29%3D2a%2B6a%3D%208a)
![\omega =\sqrt{8a}](https://tex.z-dn.net/?f=%5Comega%20%3D%5Csqrt%7B8a%7D)
Answer:
![\dfrac{d\theta}{dt} =-0.233\ rad/s](https://tex.z-dn.net/?f=%5Cdfrac%7Bd%5Ctheta%7D%7Bdt%7D%20%3D-0.233%5C%20rad%2Fs)
Explanation:
given,
length of ladder = 10 ft
let x be the distance of the bottom and y be the distance of the top of ladder.
x² + y² = 100
differentiating with respect to time we get
..............(1)
when x = 8 and y = 6 and when \dfrac{dx}{dt} = 1.4ft/s
from equation (1)
now,
![16\times 1.4 + 12\dfrac{dy}{dt} = 0](https://tex.z-dn.net/?f=16%5Ctimes%201.4%20%2B%2012%5Cdfrac%7Bdy%7D%7Bdt%7D%20%3D%200)
![\dfrac{dy}{dt} = -\dfrac{5.6}{3}](https://tex.z-dn.net/?f=%5Cdfrac%7Bdy%7D%7Bdt%7D%20%3D%20-%5Cdfrac%7B5.6%7D%7B3%7D)
let the angle between the ladders be θ
![tan\theta = \dfrac{y}{x}](https://tex.z-dn.net/?f=tan%5Ctheta%20%3D%20%5Cdfrac%7By%7D%7Bx%7D)
y = xtan θ
![\dfrac{dy}{dt} =\dfrac{dy}{dt} tan\theta + x sec^2\theta\dfrac{d\theta}{dt}](https://tex.z-dn.net/?f=%5Cdfrac%7Bdy%7D%7Bdt%7D%20%3D%5Cdfrac%7Bdy%7D%7Bdt%7D%20tan%5Ctheta%20%2B%20x%20sec%5E2%5Ctheta%5Cdfrac%7Bd%5Ctheta%7D%7Bdt%7D%20)
![-\dfrac{5.6}{3} =1.4\times \dfrac{6}{8} + 8 (1+\dfrac{9}{16})\dfrac{d\theta}{dt}](https://tex.z-dn.net/?f=-%5Cdfrac%7B5.6%7D%7B3%7D%20%3D1.4%5Ctimes%20%5Cdfrac%7B6%7D%7B8%7D%20%2B%208%20%281%2B%5Cdfrac%7B9%7D%7B16%7D%29%5Cdfrac%7Bd%5Ctheta%7D%7Bdt%7D)
![\dfrac{25}{2} \dfrac{d\theta}{dt} =\dfrac{-17.5}{6}](https://tex.z-dn.net/?f=%5Cdfrac%7B25%7D%7B2%7D%20%5Cdfrac%7Bd%5Ctheta%7D%7Bdt%7D%20%3D%5Cdfrac%7B-17.5%7D%7B6%7D)
![\dfrac{d\theta}{dt} =-0.233\ rad/s](https://tex.z-dn.net/?f=%5Cdfrac%7Bd%5Ctheta%7D%7Bdt%7D%20%3D-0.233%5C%20rad%2Fs)
Answer:
The correct option is: Total energy
Explanation:
The Hamiltonian operator, in quantum mechanics, is an operator that is associated with the<u> total energy of the system.</u> It is equal to the sum of the total kinetic energy and the potential energy of all the particles of the system.
The Hamiltonian operator was named after the Irish mathematician, William Rowan Hamiltonis denoted and is denoted by H.
The only evidence you have that you exist as a self-aware being is your conscious experience of thinking about your existence. Beyond that you're on your own. You cannot access anyone else's conscious thoughts, so you will never know if they are self-aware.
Assume that the small-massed particle is
and the heavier mass particle is
.
Now, by momentum conservation and energy conservation:
![mv = mv_{m} + Mv_{M}](https://tex.z-dn.net/?f=mv%20%3D%20mv_%7Bm%7D%20%2B%20Mv_%7BM%7D)
![mv^{2} = mv^{2}_{m} + Mv^{2}_{M}](https://tex.z-dn.net/?f=mv%5E%7B2%7D%20%3D%20mv%5E%7B2%7D_%7Bm%7D%20%2B%20Mv%5E%7B2%7D_%7BM%7D)
Now, there are 2 solutions but, one of them is useless to this question's main point so I excluded that point. Ask me in the comments if you want the excluded solution too.
![v_{m} = v\frac{m - M}{m + M}\\\\\\v_{M} = v\frac{m + M}{m + M}\\](https://tex.z-dn.net/?f=v_%7Bm%7D%20%3D%20v%5Cfrac%7Bm%20-%20M%7D%7Bm%20%2B%20M%7D%5C%5C%5C%5C%5C%5Cv_%7BM%7D%20%3D%20v%5Cfrac%7Bm%20%2B%20M%7D%7Bm%20%2B%20M%7D%5C%5C)
So now, we see that
and
. So therefore, the smaller mass recoils out.
Hope this helps you!
Bye!