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lesya [120]
2 years ago
7

What color of light is scattered the most by the molecules in earth’s atmosphere?.

Physics
2 answers:
Anuta_ua [19.1K]2 years ago
8 0

Answer:

Blue light.

Explanation:

I didn't copy the other person, I just saw theres and I promise I didn't!

Ahat [919]2 years ago
7 0

Answer:

Blue light

Explanation:

Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves.

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Which of the the following distance vs time graphs represents an object the is moving at constant non zero velocity
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A graph with a horizontal line
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Changing the speed of a synchronous generator changes A) the frequency and amplitude of the output voltage. B) only the frequenc
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A) the frequency and amplitude of the output voltag

Explanation:

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When an object moves in uniform circular motion, the direction of its acceleration is?
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7 0
3 years ago
1. Do alto de uma plataforma com 15m de altura, é lançado horizontalmente um projéctil. Pretende-se atingir um alvo localizado n
sveta [45]

Answer:

(a). The initial velocity is 28.58m/s

(b). The speed when touching the ground is 33.3m/s.

Explanation:

The equations governing the position of the projectile are

(1).\: x =v_0t

(2).\: y= 15m-\dfrac{1}{2}gt^2

where v_0 is the initial velocity.

(a).

When the projectile hits the 50m mark, y=0; therefore,

0=15-\dfrac{1}{2}gt^2

solving for t we get:

t= 1.75s.

Thus, the projectile must hit the 50m mark in 1.75s, and this condition demands from equation (1) that

50m = v_0(1.75s)

which gives

\boxed{v_0 = 28.58m/s.}

(b).

The horizontal velocity remains unchanged just before the projectile touches the ground because gravity acts only along the vertical direction; therefore,

v_x = 28.58m/s.

the vertical component of the velocity is

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which gives a speed v of

v = \sqrt{v_x^2+v_y^2}

\boxed{v =33.3m/s.}

4 0
3 years ago
What is the smallest frequency at which the string can be moved to produce any standing wave?
aleksklad [387]
The first harmonic would be the smallest frequency for a string to produce a standing wave. In addition, the strings were fixed in a single attachment and have only limited motion. It is because standing waves require a specific medium for the sound to travel in it.
8 0
3 years ago
Read 2 more answers
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