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elixir [45]
3 years ago
13

The wavelength of a moving particle is equal to divided by._____ .____

Physics
2 answers:
vlabodo [156]3 years ago
7 0

Answer: The correct answer is "mass and velocity".

Explanation:

The expression for De broglie wavelength is as follows;

\lambda =\frac{h}{mv}

Here, \lambda is the wavelength of the wave, h is Planck's constant, m is the mass and v is the velocity.

The wavelength of the wave is inversely proportional to the mass and velocity of the particle.

Or the wavelength of the wave is inversely proportional to the momentum of the particle.

Lighter the mass of the particle,longer wavelength will be exhibited by the particle. Heavier the particle, shorter wavelength will be exhibited by the particle.

Therefore, the wavelength of a moving particle is equal to divided by mass and velocity.

kakasveta [241]3 years ago
6 0

• λ = h/mv, where λ represent wavelength, h is Planck's constant, m is the mass of a particle, moving at a velocity v. Electron Configuration.

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What is density?
a_sh-v [17]

Answer:

B- The amount of matter in a certain

amount of space

Explanation:

Density is the amount of matter an object has in a certain space. To find density, divide the mass of an object by the volume of an object.

8 0
3 years ago
Read 2 more answers
How many electrons must be remowel from an electricaly Nurutral Silvor Coin to five it a charge of 3.2 NC ?
kakasveta [241]

Answer:

 #_electrons = 2 10¹⁰ electrons

Explanation:

For this exercise we can use a direct rule of three proportions rule. If an electron has a charge of 1.6 10⁻¹⁹ C how many electrons have a charge of 3.2 10⁻⁹ C

          #_electrons = 3.2 10⁻⁹ ( \frac{1}{1.6 \ 10^{-19}})

          #_electrons = 2 10¹⁰ electrons

7 0
3 years ago
__________ skids occur when you suddenly press too hard on the accelerator and the drive wheels lose traction.
Fynjy0 [20]

Answer:

Power Skids

Explanation:

Power Skid like the question suggested, is a skid that occurs when you suddenly press too hard on the accelerator and the drive wheels lose traction. Power Skid is one of the 4 types of Skids. The other 3 includes;

Cornering skid

Blowout skid and

Braking skid.

Power skid occurs mostly as a result of insanely high speed and or acceleration,when the accelerator is pressed on too suddenly causing the vehicle to be driven beyond its capabilities, and then to skid, ultimately.

4 0
3 years ago
15. In the diagram shown, the emf of the secondary winding is______ the emf of the primary winding.
sp2606 [1]

Answer:

Greater than

Explanation:

3 0
3 years ago
By means of a rope whose mass is negligible, two blocks are suspended over a pulley, as the drawing shows, with m1 = 12.1 kg and
puteri [66]

Answer:

14.8 kg

Explanation:

We are given that

m_1=43.7 kg

m_2=12.1 kg

g=9.8 m/s^2

a=\frac{1}{2}(9.8)=4.9 m/s^2

We have to find the mass of the pulley.

According to question

T_2-m_2 g=m_2 a

T_2=m_2a+m_2g=m_2(a+g)=12.1(9.8+4.9)=177.87 N

T_1=m_1(g-a)=43.7(9.8-4.9)=214.13 N

Moment of inertia of pulley=I=\frac{1}{2}Mr^2

(T_2-T_1)r=I(-\alpha)=\frac{1}{2}Mr^2(\frac{-a}{r})=\frac{1}{2}Mr(-4.9)

Where \alpha=\frac{a}{r}

(177.87-214.13)=-\frac{1}{2}(4.9)M

-36.26=-\frac{1}{2}(4.9)M

M=\frac{36.26\times 2}{4.9}=14.8 kg

Hence, the mass of the pulley=14.8 kg

6 0
3 years ago
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