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xxTIMURxx [149]
2 years ago
7

What is the wavelength associated with 0.113kg ball traveling with velocity of 43 m/s?

Physics
1 answer:
maks197457 [2]2 years ago
7 0

Answer:

Wavelength = 1.36 * 10^{-34} meters

Explanation:

Given the following data;

Mass = 0.113 kg

Velocity = 43 m/s

To find the wavelength, we would use the De Broglie's wave equation.

Mathematically, it is given by the formula;

Wavelength = \frac {h}{mv}

Where;

h represents Planck’s constant.

m represents the mass of the particle.

v represents the velocity of the particle.

We know that Planck’s constant = 6.6262 * 10^{-34} Js

Substituting into the formula, we have;

Wavelength = \frac {6.6262 * 10^{-34}}{0.113*43}

Wavelength = \frac {6.6262 * 10^{-34}}{4.859}

Wavelength = 1.36 * 10^{-34} meters

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Answer:

C. mixture

Explanation:

A mixture is an impure substance. It has the following properties;

  • It's composition is indefinite
  • Their constituents retain their identities i.e. physical properties are retained
  • Constituents react differently to changed conditions
  • They can easily be separated into constituents by physical methods.

Granite is a rock. A rock is usually formed by a combination of different minerals.

Granite is made up of many compounds and so it is a mixture.

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Answer:

The force of static friction acting on the luggage is, Fₓ = 180.32 N

Explanation:

Given data,

The mass of the luggage, m = 23 kg

You pulled the luggage with a force of, F = 77 N

The coefficient of static friction of luggage and floor, μₓ = 0.8

The formula for static frictional force is,

                                      Fₓ = μₓ · η

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Substituting the values in the above equation,

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Hence, the minimum force require to pull the luggage is, Fₓ = 180.32 N

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Answer:

135.3 cm + 93.46cm

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