2 years ago

A molecule of water has both partial negative and partial positive charges because _______

Physics

1 answer:

Anna007 [38]2 years ago

3 0

The oxygen attracts the shared electrons more strongly than the hydrogen atoms do.

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What is the frequency of radiation whose wavelength is 0.80 nm ? express the frequency in inverse seconds to three significant d

Mashcka [7]

The relationship between the frequency (f) of an electromagnetic wave, the speed of the wave (which is the speed of light, c) and its wavelength $\lambda$ is given by
$f= \frac{c}{\lambda}$

Since the wavelength of the radiation in the problem is $\lambda= 0.80 nm = 0.80 \cdot 10^{-9} m$ , by substituting numbers in the formula we can get the frequency:
$f= \frac{3 \cdot 10^8 m/s}{0.80 \cdot 10^{-9} m} =3.75 \cdot 10^{17} s^{-1}$

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2 years ago

Discuss the factors that are used to determine power.

True [87]

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Power = Voltage x Current x K
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3 years ago

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