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viva [34]
4 years ago
12

Why does a tail appear when a comet nears the sun?

Physics
1 answer:
ahrayia [7]4 years ago
3 0
It heats up. the ice transforms directly from a solid to a vapor, releasing dust particles. the solar wind sweeps the material and it forms what to appears to be a tail.
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Draw a distance over time graph of a dog that is tied to a 4 foot rope and travels in 1 complete circle
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I think this is the answer. I hope you can understand.

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3 years ago
What is the speed of a bobsled whose distance-time graph indicates that it traveled 113m in 29s?
Elza [17]
In this item, we are asked to determine the speed of the bobsled given the distance traveled and the time it takes to cover the certain distance. This can mathematically be expressed as,
                          speed = distance / time

Substituting the given values in this item,
                         speed = (113 m) / (29 s)
                         speed = 3.90 m/s

<em>ANSWER: 3.90 m/s</em>
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Explanation:

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On the basis of force of wind gale is divided in four groups:

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8 0
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A rock is dropped from the top of a building. after 4 seconds it is moving at 40 m/s. what was the acceleration of the rock
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