2 years ago

What is energy?

Physics

1 answer:

Korvikt [17]2 years ago

4 0

Answer:

Explanation:

c. the ability to do work or to produce heat

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How far will a runner travel if she had an average speed of 10 km/hour and runs for 2.1 hours?

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10 Km.
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2 years ago

Radio wave radiation falls in the wavelength region of 10.0 to 1000 meters. What is the energy of radio wave radiation that has

dmitriy555 [2]

Answer:

Explanation:

Given

Wavelength of radiation $\lambda =784\ m$

We know Energy of wave with wavelength $\lambda$ is given by

$E=\frac{hc}{\lambda }$

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c=velocity of light

$\lambda$ =wavelength of wave

$E=\frac{6.626\times 10^{-34}\times 3\times 10^8}{784}$

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