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velikii [3]
3 years ago
5

What tells scientists about distant galaxies? a. How fast light travels c. The color of light that they give off b. If the are o

paque or transparent d. The kind of radio wave they give off
Physics
1 answer:
tamaranim1 [39]3 years ago
8 0
I Believe the answer is A but D looks good too.
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What force is needed to accelerate an object 5 m/s2 if the object has a mass of 10 kg?
Helga [31]
We know, F = m * a
F = 10 * 5
F = 50 N

In short, Your Answer would be 50 Newtons

Hope this helps!
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3 years ago
Which of the following is a<br> compound?<br> A. Sodium<br> B. Salt<br> C. Potassium<br> D. Argon
ELEN [110]

B. Salt

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A ball is thrown straight upward with an initial velocity of 18.5m/s at the edge of a cliff that is 25.0m below the initial poin
kkurt [141]

The velocity of the ball at its maximum height is zero (0).

The given parameters;

  • <em>initial vertical velocity of the ball, </em>v_y_0<em> = 18.5 m/s</em>
  • <em>height of the cliff, h = 25</em>

<em />

In a projectile motion, as the object ascends upwards, its vertical velocity decreases and eventually becomes zero as the object reaches maximum height.

This <em>velocity</em> starts to increase again as the object descends downwards and finally becomes maximum before the object hits the ground.

Thus, we can conclude that the velocity of the ball at its maximum height is zero (0).

Learn more here:brainly.com/question/10693605

8 0
2 years ago
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