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Sauron [17]
3 years ago
12

How long does it take for the earth to rotate

Physics
2 answers:
zheka24 [161]3 years ago
6 0
It takes 24 hours to make a full rotation around the sun
GenaCL600 [577]3 years ago
5 0
It takes 24 hours to rotate around in a circle and 365 days to orbit around the sound cuz it takes 1 year to rotate around the sun and because it takes 1 day to rotate around in a circle.
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A speed-time graph is shown below:
VladimirAG [237]

Answer: 0.5 m/s^{2}

Explanation:

Average acceleration a_{ave} is the variation of velocity \Delta V over a specified period of time \Delta t:

a_{ave}=\frac{\Delta V}{\Delta t}}

Where:

\Delta V=V_{f}-V_{o} being V_{o}=0 cm/s the initial velocity and V_{f}=4 cm/s the final velocity  (according to the information given from the described graph)

\Delta t=8 s

Then:

a_{ave}=\frac{4 cm/s -0 cm/s}{8 s}}

a_{ave}=0.5 m/s^{2}

5 0
3 years ago
From Earth to the center of our galaxy is about 300,000 light years, meaning that light coming from a star in the center of our
natima [27]
<span>it takes about about 37,200 years for light to travel 1 light year. So the answer would have to be false. It would take way longer than 300k years

</span>
7 0
3 years ago
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emmainna [20.7K]
2 is sedimentary and 3 is metamorphic
7 0
3 years ago
Radio waves travel at a speed of 300,000,000 m/s. WFNX broadcasts radio waves at a
yKpoI14uk [10]

Answer:

Wavelength, \lambda=2.94\ m

Explanation:

It is given that,

Speed of radio waves is v=3\times 10^8\ m/s

Frequency of radio waves is f = 101,700,000 Hz

We need to find the wavelength of WFNX’s radio waves. The relation between wavelength, frequency and speed of a wave is given by :

v=f\lambda

\lambda is wavelength

\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{3\times 10^8}{101,700,000}\\\\\lambda=2.94\ m

So, the wavelength of WFNX’s radio waves is 2.94 m.

3 0
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The express train can travel 100 miles per hour. This information describes the train'sAnsweracceleration.direction.speed.veloci
solmaris [256]
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