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Gemiola [76]
3 years ago
10

Please help. I will give brainliest to first good answer

Physics
2 answers:
Arturiano [62]3 years ago
7 0
Answer: C). Light rays are bent by the water in the glass

It refracts the light
The bending of a light moving from one end to another is called refraction
Elza [17]3 years ago
6 0
The answer is c i had this lesson before :)
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During low-intensity activity, your body obtains most of its energy from
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Carbohydrates, in cellular respiration.
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What is role of force on the speed of moving object? ​
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Explanation:

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Plz help brainliest<br> plzzzzzzzzzzzzzzzzz!!!!!!!!!!!!!!
Likurg_2 [28]

Answer:

b

Explanation:

8 0
3 years ago
In recent years, astronomers have found planets orbiting nearby stars that are quite different from planets in our solar system.
Marizza181 [45]

3.86 m/s^2  is the value of gravity  on this large, but low-density, world.

given :

Kepler-12b

diameter= 1.7 times of Jupiter (R_Jupiter = 6.99 × 10^7 m),

mass = 0.43  Jupiter (M_Jupiter = 1.90 × 10^27 kg ).

g = GM/r^2

g = 6.67×10^-11 × 0.43×1.9×10^27/( 1.7×6.99×10^7)^2

g = 3.859 ~ 3.86 m/s^2

Gravity, also referred to as gravitation, is the unchanging force of attraction that binds all matter together in mechanics. It is by far the weakest known force in nature, so it has no effect on determining the internal properties of common matter.

On Earth, everything has weight, or a gravitational pull that is imposed by the planet's mass and proportional to the object's mass. A measure of the force of gravity is the acceleration that freely falling objects experience. At the surface of the Earth, gravity accelerates at a rate of about 9.8 meters per second. As a result, an object's speed increases during free fall by about 9.8 meters per second. At the Moon's surface, a freely falling body accelerates to about 1.6 m/s2.

To know more about  gravity visit : brainly.com/question/14428640

#SPJ4

6 0
1 year ago
You read in a science magazine that on the Moon, the speed of a shell leaving the barrel of a modern tank is enough to put the s
olga_2 [115]

To solve this problem we will use the definition of the kinematic equations of centrifugal motion, using the constants of the gravitational acceleration of the moon and the radius of this star.

Centrifugal acceleration is determined by

a_c = \frac{v^2}{r}

Where,

v = Velocity

r = Radius

From the given data of the moon we know that gravity there is equivalent to

a = 1.62m/s

While the radius of the moon is given by

r = 1.74*10^6m

If we rearrange the function to find the speed we will have to

v = \sqrt{ar}

v = \sqrt{1.6(1.74*10^6)}

v = 1.7km/s

The speed for this to happen is 1.7km/s

3 0
3 years ago
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