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Alinara [238K]
3 years ago
8

Why is gravity important in the solar system

Physics
2 answers:
Orlov [11]3 years ago
7 0
Gravity causes the motions of planets, stars, and galaxies. It's why the Moon orbits around the Earth, and the Earth orbits around the Sun, and the solar system orbits around the galaxy.
scoray [572]3 years ago
4 0
Gravity keeps planets in orbit. It affects the paths that everything in space takes because every object in space has a gravitational pull towards each other.
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Which correctly ranks, from fastest to slowest, the time it will take one wavelength to pass a certain point?
dsp73
No option to choose from? I'd say history graph
3 0
3 years ago
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What is the difference between polarized light and unpolarized light?
vekshin1
Unpolarized light has light waves that are oriented in all directions while polarized light has all the light waves oscillating in one direction. An example for unpolarized is the Sun, or any other simple type of light.
5 0
3 years ago
A ball is thrown straight up at 20 m. What is the balls velocity as it hits the ground?
deff fn [24]

Answer:

<em>The velocity of the ball as it hit the ground = 19.799 m/s</em>

Explanation:

Velocity: Velocity of a body can be defined as the rate of change of displacement of the body. The S.I unit of velocity is m/s. velocity is expressed in one of newtons equation of motion, and is given below.

v² = u² + 2gs.......................... Equation 1

Where v = the final velocity of the ball, g = acceleration due to gravity, s = the height of the ball

<em>Given: s = 20 m, u = 0 m/s</em>

<em>Constant: g = 9.8 m/s²</em>

<em>Substituting these values into equation 1,</em>

<em>v² = 0 + 2×9.8×20</em>

<em>v² = 392</em>

<em>v = √392</em>

<em>v = 19.799 m/s.</em>

<em>Therefore the velocity of the ball as it hit the ground = 19.799 m/s</em>

5 0
3 years ago
Giving me the points are enough <br>​
N76 [4]

Answer:

the product of mass and velocity

....in my syllabus

7 0
3 years ago
How many neutrons does element X have if it’s atomic number is 28 and it’s mass number is 81?
Sauron [17]

Answer:

53

Explanation:

M-A=N

Mass-Atomic #= Neutrons

81-28= 53

3 0
3 years ago
Read 2 more answers
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