Explanation:
The water molecules begins to leave their fixed position and begins to move as the temperature increases.
When ice melts, it undergoes a state change from solid to liquid and with increasing temperature becomes a gas.
- The basis for this is the increasing movement of the molecules of the water as it transitions from one phase to another.
- In the ice, the molecules are locked and fixed in the lattice
- As the temperature increases, the average kinetic energy of the particles rises.
- This makes the structure of the ice to collapse and forms liquids.
- By the virtue of this, they flow and move over one another
- With increasing temperature, the bonds are broken and vapor forms
The answer is B. Nonrenewable
You don't need to do any calculations, you are already given that n=1.5
n is index of refraction. it's 1.5
False, fission is when an atom splits into two parts.
The uncertainty on the momentum is ![1.1\cdot 10^{-20} kg m/s](https://tex.z-dn.net/?f=1.1%5Ccdot%2010%5E%7B-20%7D%20kg%20m%2Fs)
Explanation:
We can solve the problem by using the uncertainty principle, which states that:
![\Delta x \Delta p \geq \frac{h}{4\pi}](https://tex.z-dn.net/?f=%5CDelta%20x%20%5CDelta%20p%20%5Cgeq%20%5Cfrac%7Bh%7D%7B4%5Cpi%7D)
where
is the uncertainty on the position
is the uncertainty on the momentum
is the Planck constant
For the nucleus in this problem, the uncertainty on the position is equal to the size of the nucleus, therefore
![\Delta x = 5.0\cdot 10^{-15} m](https://tex.z-dn.net/?f=%5CDelta%20x%20%3D%205.0%5Ccdot%2010%5E%7B-15%7D%20m)
Therefore we can substitute into the equation and solve for
to find the uncertainty on the momentum:
![\Delta p \geq \frac{h}{4\pi \Delta x}=\frac{6.63\cdot 10^{-34}}{4\pi (5.0\cdot 10^{-15})}=1.1\cdot 10^{-20} kg m/s](https://tex.z-dn.net/?f=%5CDelta%20p%20%5Cgeq%20%5Cfrac%7Bh%7D%7B4%5Cpi%20%5CDelta%20x%7D%3D%5Cfrac%7B6.63%5Ccdot%2010%5E%7B-34%7D%7D%7B4%5Cpi%20%285.0%5Ccdot%2010%5E%7B-15%7D%29%7D%3D1.1%5Ccdot%2010%5E%7B-20%7D%20kg%20m%2Fs)
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