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Keith_Richards [23]
4 years ago
7

Suppose you meet an extraterrestrial being who asks you to describe the solar system, what significant events would you share wi

th your newfound friend?
Physics
1 answer:
disa [49]4 years ago
7 0

Answer:

Please find the answer in the explanation

Explanation: The description of the solar system is as follows:

The Solar system comprises of the sun, the planets with their satellite.

The sun is stationary which is assume to be at the centre of the planets, while all the planets move around it.

The sun is the largest star and has a very high temperature.

The sun is the ultimate source of light and energy to all the planets

The planets shine by the reflection of light from the sun

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Calculate the force of gravity on a spacecraft 12800 km (2 earth radii) above the earth's surface if its mass is 1600 kg. n (tow
Maksim231197 [3]
Since the spacecraft is two earth radii the surface of the earth, it is three earth radii above the center.

Given: Radius of the earth re = 6.38 x 10⁶ m  r = 1.91 x 10⁷ m

           Mass of the spacecraft Ms = 1600 Kg

           Mass of the earth Me = 5.98 x 10²⁴ Kg

           G = 6.67 X 10⁻¹¹ N.m²/Kg²

Formula: F = GMeMs/r²

           F = (6.67 X 10⁻¹¹ N.m²/Kg²)(5.98 x 10²⁴ Kg)(1,600 Kg)/(1.91 x 10⁷ m)²

           F = 6.38 X 10¹⁷ N/3.65 X 10¹⁴ m²

           F = 1,748.5 N

      


7 0
4 years ago
A ray of light passes from air into carbon disulfide (n = 1.63) at an angle of 28.0 degrees to the normal. what is the refracted
Snezhnost [94]
We can solve the problem by using Snell's law, which states 
n_i \sin \theta_i = n_r \sin \theta_r
where
n_i is the refractive index of the first medium
\theta_i is the angle of incidence
n_r is the refractive index of the second medium
\theta_r is the angle of refraction

In our problem, n_i=1.00 (refractive index of air), \theta_i = 28.0^{\circ} and n_r=1.63 (refractive index of carbon disulfide), therefore we can re-arrange the previous equation to calculate the angle of refraction:
\sin \theta_r =  \frac{n_i}{n_r}  \sin \theta_r =  \frac{1.00}{1.63}  \sin 28.0^{\circ} = 0.288
From which we find
\theta_r = \arcsin (0.288)=16.7^{\circ}
6 0
3 years ago
Arrange the core steps of the scientific method in sequential order.
andriy [413]
<span>the picture bellow gives you all the answers, this picture was given to my class by my science teacher a few years ago so it is accurate

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4 0
4 years ago
Read 2 more answers
A brick is dropped from 100m up. Find it's impact velocity and air time.
ivann1987 [24]
The airtime is 9.8
the velocity is 0
4 0
3 years ago
The specific heat of acetic acid is 2.07 J/gºC. If 1150 J of heat is
Doss [256]

Answer:

12.3 °C

Explanation:

Q=m*Cp*ΔT-->

1150=45*2.07*ΔT-->

ΔT=1150/93.15-->

ΔΤ=12.3 °C

4 0
3 years ago
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