3 years ago

A Porsche challenges a Honda to a 500 m race

Physics

1 answer:

zlopas [31]3 years ago

8 0

A Porsche will always win no matter what

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Which of the following is an example of a measurement of velocity?

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velocity is magnitude and direction. its unit is meter per second

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Which statement correctly describes the current in a circuit that is made up of any two resistors connected in series with a bat

jeyben [28]

The correct answer is
<span>C. The current in the battery and in each resistor is the same.

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Answer:

i think its 470

Explanation:

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3 years ago

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pav-90 [236]

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3 years ago

If mass and velocity are unknown when using de Broglie's wavelength formula, what alternative value must we have to successfully

mojhsa [17]

Answer:

The particle momentum, p

Explanation:

A particle's de Broglie's wavelength is an indication of the scale in length where the particle's wave-like properties are important. The symbol of de Broglie wavelength is λ or $\lambda _{dB}$ given as follows;

The de Broglie's wavelength formula is given as follows;

$\lambda = \dfrac{h}{m \cdot v} = \dfrac{h}{p}$

Where;

λ = The wavelength of the particle in meters

v = The velocity of the particle in meters/seconds

m = The mass of the particle in kilograms

p = The momentum of the particle

h = Planck's constant = 6.626 × 10⁻³⁴ J/Hz

Therefore, the alternative value that we must have to successfully determine the wavelength if the mass and velocity are unknown, is the momentum, p of the particle.

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