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spayn [35]
3 years ago
9

A rocket fires its engines to launch straight up from rest

Physics
1 answer:
alexira [117]3 years ago
3 0
Weow that’s cool but what is your question
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Astronaut Rob leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. Rob's destination is a star sys
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Answer:

A) 15.0 years

Explanation:

Due to the distance to the star system is in light-year units, we can compute the time by using:

t=\frac{d}{v}=\frac{14.4 l-y}{0.960}=15l-y

then, Rob will take to complete the trip about 15 light-years.

hope this helps!!

7 0
4 years ago
What kind of light would be the best to use to look inside a cold dark cloud and see the warm stars forming inside?
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<h2>Answer: Infrared light</h2>

A dark nebula is a cloud of dust and cold gas, which does not emit visible light and hides the stars it contains.

These types of nebulae are composed mainly of the hydrogen they obtain from nearby stars, which is their fuel.

It is using infrared light that we can "observe" and analyze in detail what happens in the inner parts of these nebulae.

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3 years ago
How and why planets orbit the sun and how and why a planets speed changes orbit
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the gravitonal pull

Explanation:

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the color is red.

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