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babymother [125]
4 years ago
7

What is the number of waves per second in a radio signal?

Physics
1 answer:
vagabundo [1.1K]4 years ago
5 0
The answer is B I think
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devlian [24]

For the motion of the plane it is given to us that it travel 15.0 km in 15.3 s

So here we can use the formula of average velocity to find it

formula is given as ratio of total displacement and total time

v = \frac{displacement}{time}

here it is given that

displacement = 15.0 km

time = 15.3 s

we need to convert the time into hour as the speed is required in km/h

so we know that

1 h = 3600 s

t = 15.3 s * \frac{1h}{3600 s}

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now by the above formula

v = \frac{15.0}{4.25 * 10^{-3}}

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8 0
3 years ago
Which has the strongest covalent bonds?<br> H2O<br> CO2<br> H2<br> N2
Volgvan

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