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Oksana_A [137]
3 years ago
6

What are Kepler’s Laws of Planetary Motion? How can each one of them be applied to the 8 planets of the Solar System, using exam

ples?
Physics
1 answer:
faust18 [17]3 years ago
6 0

Answer:

Explanation:

As per the Kepler's law of planetary motions :

1- The orbits are of elliptical shape having two foci and Sun is located on one foci.

2- The line segment that joins a planet and the Sun sweeps out equal are at equal interval of time.

3- The orbital period square is directly proportional to the cube of semi major axis of its orbit.

Kepler's law are applied on each of the planets of our solar system as the distance of the Sun from the planet is calculated through this.

For example : from Kepler's first law we can see the eccentricity of the Earth's orbit is 0.0167.

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Answer:

4.3859007196\times 10^{-9}\ m

Explanation:

k = Coulomb constant = 8.99\times 10^{9}\ Nm^2/C^2

v = Velocity of electron = 2.4\times 10^5\ m/s

q = Charge of electron = 1.6\times 10^{-19}\ C

m = Mass of electron = 9.11\times 10^{-31}\ kg

r = Radius

The electrical and centripetal force will balance each other

\dfrac{kq^2}{r^2}=\dfrac{mv^2}{r}\\\Rightarrow r=\dfrac{kq^2}{mv^2}\\\Rightarrow r=\dfrac{8.99\times 10^9\times (1.6\times 10^{-19})^2}{9.11\times 10^{-31}\times (2.4\times 10^5)^2}\\\Rightarrow r=4.3859007196\times 10^{-9}\ m

The radius of the orbital is 4.3859007196\times 10^{-9}\ m

4 0
3 years ago
is it possible for the gravitational force between two 50-kg objects to be less than the gravitational force between a 59-kg obj
Eva8 [605]

OF COURSE !  

The gravitational force between two objects doesn't ONLY depend on the product of their masses.  It also depends on the distance between them.

I'm not even going to work out the numbers for my example.  I'm just going to state without proof that at the top of the 2nd frame, the gravitational force between you and your bowling ball is greater than the gravitational force between you and the whole darn Andromeda galaxy !  My reasoning is based on the fact that your bowling ball is maybe 1 foot from your center of mass, whereas the Andromeda galaxy is more like 2.5 million light years from it.  That right there is going to give your bowling ball a big advantage when it comes to gravity !

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Answer:

A block device is a computer data storage device that supports reading and (optionally) writing data in fixed-size blocks, sectors, or clusters. These blocks are generally 512 bytes or a multiple thereof in size

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Transmission of telephone signals

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Fiber optics are used for the transmission of telephone signals.

4 0
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