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ryzh [129]
3 years ago
12

The primary colors for paints are different for those used in a television because

Physics
2 answers:
ZanzabumX [31]3 years ago
8 0

Answer:

C. Both of A and C

Explanation:

Primary colors are colors that can be combined with one another to form other colors called secondary colors.

Light can be defined as a phenomenon that causes the sensation of vision. The primary colors with regards to light are: red, green and blue. Light is a form of an additive system where there is an addition of two or more primary colored lights to form other colors.

Paints are subtractive systems that produce color due to absorption and reflection of colors. A green paint appears green because it has absorbed other colors and reflects only green. Its primary colors are blue, yellow and green.

Therefore, paints reflect light and take out light from what light is shined onto them.

ANTONII [103]3 years ago
6 0

Answer:

the correct answer is A

Explanation:

In my opinion, the colors in both visual sources are different than in a painting, the color is the wave that is refracted when perceiving it with our human eye (this means that a painting of red color, absorbs all the waves of the color ranges except the color red and that refracted wave is captured by our eye and we visualize it that way) on the other hand, on the television screen or other screens the colors have the same system that we explain with the paintings but they also have more luminosity or greater value, intensity since they emit or emit light and greater brightness.

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3 0
3 years ago
Is torque only produced when the force is applied perpendicular to the moment arm?
trasher [3.6K]
Yes. Only a perpendicular component produces a torque.
8 0
3 years ago
Read 2 more answers
A ball is thrown at an angle of to the ground. If the ball lands 90 m away, what was the initial speed of the ball?
andre [41]

Answer:

The initial speed of the ball is 30 m/s.

Explanation:

It can be assumed that the ball is thrown at an angle of 45 degrees to the ground. The ball lands 90 m away. We need to find the initial speed of the ball. We know that the horizontal distance covered by the projectile is called its range. It is given by :

R=\dfrac{u^2\ sin2\theta}{g}

u is the initial speed of the ball.

v=\sqrt{\dfrac{Rg}{sin2\theta}}

v=\sqrt{\dfrac{90\times 9.8}{sin2(45)}}

v = 29.69 m/s

or

v = 30 m/s

So, the initial speed of the ball is 30 m/s. Hence, this is the required solution.                                      

8 0
3 years ago
4.-Una atleta patea un balon (masa de 650gr y angulo de 45 grados) arriba de un edificio con una velcidad 21 m/s, el edificio mi
marta [7]

Answer:

v = 25 m/s

Explanation:

½mv₀² + mgh = ½mv₁²

v₁² = v₀² + 2gh

v₁ = √(21² + 2(9.8)(10))

v₁ = 25.238858..

3 0
3 years ago
show how three identical 6 resistors must be connected tho have the following effective resistance values 9 and 4 ohms​
SpyIntel [72]

Answer:

connect two 9 ohms resistance in series now it becomes 18 ohm

5 0
3 years ago
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