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Bogdan [553]
3 years ago
14

What causes the phases of the moon as seen from earth?

Physics
2 answers:
adelina 88 [10]3 years ago
5 0

Answer:

a. light from the sun reflects off the moon as it orbits earth.  

Explanation:

Moon does not have its own light, it reflects the sunlight falling on it. Phases of moon are the different shapes of the moon that we see. There are mainly 5 phases of moon: New moon, Crescent, Half moon, gibbous and full moon. These shapes are due to the illuminated portion of the moon (by the Sun) that is visible from the Earth.

Thus, option a is correct.

enyata [817]3 years ago
4 0
A ~~~~~~~~~~~~~~~~~~~~~~`
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A. If a T-Rex runs 20 meters in 4 seconds, what is it’s average speed?
mariarad [96]

5m/s

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Explanation:

Average speed is sum of distance distance traveled in a given time by a body.

 Average speed= \frac{total distance covered}{time taken}

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For the spaceship;

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learn more:

Average speed brainly.com/question/5063905

#learnwithBrainly

3 0
2 years ago
What is the direction of a vector with an x component of -12 m and a y component of -15 m?
dusya [7]

Answer:

51.34^{\circ}

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Given that,

x component of a vector = -12 m

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\tan\theta=\dfrac{y}{x}

Put all the values,

\tan\theta=\dfrac{-15}{-12}\\\\\theta=\tan^{-1}(\dfrac{-15}{-12})\\\\\theta=51.34^{\circ}

So, the direction of vector is 51.34^{\circ} to x component.

3 0
3 years ago
Why did Thomson observe two glowing dots when he put neon gas into a<br> cathode-ray tube?
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Answer:

Electrons accelerated to high velocities travel in straight lines through an empty cathode ray tube and strike the glass wall of the tube, causing excited atoms to fluoresce or glow.

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