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goblinko [34]
3 years ago
14

In quantum mechanics, the fundamental constant called Planck's constant, h, has dimensions of [ML^2T^-1 ]. Construct a quantity

with the dimensions of length using h, a mass m, and c, the speed of light.
Physics
1 answer:
Mice21 [21]3 years ago
4 0

Answer:

h/(m*c)

Explanation:

Hi!

Lets denote the units of X as [X]

Since the dimentions of h are:

[h] = \frac{ML^{2}}{T}

If we divide [h] by the units of mass, we get:

\frac{[h]}{[m]} = \frac{L^{2}}{T}}

Also we know that:

[c] = \frac{L}{T}

So:

[\frac{h}{mc}] = \frac{L^{2}}{T}}*\frac{T}{L}=L

Therefore

 h/(mc) has dimentiosn of length

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b )

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μ = tan39

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c )

net force becomes zero , so he will continue to go ahead with constant speed of 25.13 m /s

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According to Newton's third law of motion, if you push against a wall, the wall will __________.
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I need help with this please
kondaur [170]

Answer:

1. The respiratory system functions when our involuntary nervous system sends impulses to the muscles in the diaphragm; thereby, causing the lungs to expand and contract.

2. The respiratory system oxygenates the blood which is vital for bodily function as oxygenated blood is carried from your lungs to the left side of your heart, to be circulated throughout the body. Furthermore deoxygenated blood is carried back to the right side of your heart to get oxygenated once more.

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3 years ago
Estimate the change in the equilibrium melting point of copper caused by a change in pressure of 10 kbar. The molar volume of co
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Answer:

The change in the equilibrium melting point is 4.162 K.

Explanation:

Given that,

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Latent heat of fusion L= 13.05 kJ

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Using Clapeyron equation

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Put the value into the formula

\dfrac{1000\times10^{5}}{\Delta T}=\dfrac{13050}{(1085+273)\times(8.0-7.6)\times10^{-6}}

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Hence, The change in the equilibrium melting point is 4.162 K.

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