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Maksim231197 [3]
3 years ago
13

Which one is correct?

Physics
1 answer:
ddd [48]3 years ago
5 0

the first one is correct

You might be interested in
it is determined that a certain light wave has a wavelength of 3.012x10^-12 m. the light travels at 2.99x10^8 m/s. what is the f
Dahasolnce [82]

Answer:

9.93\times 10^{19}Hz

Explanation:

Speed of light is the product of its wavelength and frequency, expressed as

S=fw

Where s represent speed, f is frequency while w is wavelength

Making f the subject of the formula then

f=s/w

Substituting 2.99x10^8 m/s for s and 3.012x10^-12 m for w then

f=\frac {2.99\times 10^{8}}{3.012\times 10^{-12}}=9.926958831341\times 10^{19}\\f\approx 9.93\times 10^{19}Hz

Therefore, the frequency equals to 9.93\times 10^{19}Hz

4 0
3 years ago
“For every action, there is an equal and opposite reaction”
olga_2 [115]
It’s The third law :)
7 0
3 years ago
How have earthquake data been used to explore the size of convection currents in the mantle?
nadezda [96]
 <span>Vibration waves from earth quakes travel through the earth and have measurable speed. And the different temperatures and fluidity of the various regions of the mantle will change that speed and or reflect the vibration waves in different directions. With multiple vibration sensors around the world the time that it takes for vibrations to travel from one part of the world to another will tell you what is inside.</span>
8 0
3 years ago
A 7.50 kg bowling ball has 70.4<br> kg•m/s of momentum. What is its<br> velocity?
dolphi86 [110]

Answer:

<h2>9.39 m/s</h2>

Explanation:

The velocity of the bowling ball can be found by using the formula

v =  \frac{p}{m}  \\

p is the momentum

m is the mass

From the question we have

v =  \frac{70.4}{7.5}  \\  = 9.38666666..

We have the final answer as

<h3>9.39 m/s</h3>

Hope this helps you

3 0
3 years ago
Read 2 more answers
Can permanently damage skin
dimulka [17.4K]
Nope I don't think so
skin has the most cells in our body
5 0
3 years ago
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