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3 years ago

What does it mean by km/h/s?

Physics

2 answers:

Leona [35]3 years ago

7 0

km means kilometers which is the measuring system for distance, /h/s means per hour.

Example: i was going 160 km/h/s

Meaning: i was going 160 kilometers per hour.

Hope i helped!

Salsk061 [2.6K]3 years ago

5 0

Km/h/s means Kilometers per hour per second.

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Answer:

$\lambda=1.03\times 10^{-3}\ m$

Explanation:

Given that,

The energy of the microwave oven is $1.2\times 10^{-3}\ eV$ .

We need to find the wavelength of these photons.

$1.2\times 10^{-3}\ eV=1.2\times 10^{-3}\times 1.6\times 10^{-19}\\\\=1.92\times 10^{-22}\ J$

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Put all the values,

$\lambda=\dfrac{6.63\times 10^{-34}\times 3\times 10^8}{1.92\times 10^{-22}}\\\\\lambda=1.03\times 10^{-3}\ m$

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