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kirza4 [7]
3 years ago
7

Resonance frequency ​

Physics
1 answer:
tigry1 [53]3 years ago
4 0

Answer:

resonance frequency is the frequency when capacitive reactance and inductive reactance become equal and opposite to each other and all impedence is given by resistance.

Explanation:

              f=1/2\pi\sqrt{LC}

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A electromagnetic wave of light has a wavelength of 500 nm. What is the energy (in Joules) of the photon representing the partic
marissa [1.9K]

Answer:

Energy, E=4.002\times 10^{-19}\ J

Explanation:

It is given that,

Wavelength of the photon, \lambda=500\ nm=5\times 10^{-7}\ m

We need to find the photon representing the particle interpretation of this light. it is given by :

E=\dfrac{hc}{\lambda}

E=\dfrac{6.67\times 10^{-34}\times 3\times 10^8}{5\times 10^{-7}}

E=4.002\times 10^{-19}\ J

So, the energy of the photon is 4.002\times 10^{-19}\ J. Hence, this is the required solution.

3 0
4 years ago
please help i will give brainlly to the first person who answers and please don't guess. What sort of evidence must be gathered
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Answer:

I think the answer should be B

8 0
4 years ago
A scooter has a mass of 250. Kg. A constant force is exerted on it for 60.0 S. during the time the force is exerted, the scooter
kodGreya [7K]

Answer:

Explanation:

change in momentum = m ( v - u )   ;   m is mass , V is final velocity and u is initial velocity .

= 250 ( 28 - 6 )

= 5500. N.s

for calculating magnitude of force we shall apply the concept of impulse

Impulse = F X t = m( v-u )    ;   F is force applied for time t .

F x 60 = 5500

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8 0
3 years ago
A mass of 0.54 kg attached to a vertical spring stretches the spring 36 cm from its original equilibrium position. The accelerat
UNO [17]
<h2>Spring constant is 14.72 N/m</h2>

Explanation:

We have for a spring

            Force =  Spring constant x Elongation

            F = kx

Here force is weight of mass

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Elongation, x  = 36 cm = 0.36 m

Substituting

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           5.3 = k x 0.36

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Spring constant is 14.72 N/m

6 0
3 years ago
Is energy transformation from potential to kinetic 100%?
Arada [10]
Yes. take a bow for instance. while pulling back the string you have potential energy. when you let the string go and the arrow flies towards your target the string is filled with kinetic energy.
8 0
3 years ago
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