/u/datguy030's posts in /r/askscience

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When a projectile goes so far that it starts curving to the curve of the Earth's surface, what changes does it experience?

4 upvotes

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What is the definition of one second (in terms of time)?

3 upvotes

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Why does light get dimmer from farther away?

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For centripetal acceleration, if the acceleration is directed towards the center of the circle, why doesn't the object go to the center?

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What exactly is a magnetic field? And what does the "Earth's magnetic field represent"? What would happen if the Earth's magnetic field was gone?

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What is time? Like physically, I have no idea what it means. And when people say time slows down, what does the mean? What does it represent?

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What makes someone look like an adult (more info in comments)?

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Why does the fire on a candle get extinguished if you blow on it?

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When you put an object in front of a light source, why isn't the shadow always pitch black? What causes it to change darkness with respect to the distance of the object to the ground?

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If you stand on two scales, why would the resulting weights shown on each one not be equal to your actual weight?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When a projectile goes so far that it starts curving to the curve of the Earth's surface, what changes does it experience?	4
What is the definition of one second (in terms of time)?	3
Why does light get dimmer from farther away?	3
For centripetal acceleration, if the acceleration is directed towards the center of the circle, why doesn't the object go to the center?	3
What exactly is a magnetic field? And what does the "Earth's magnetic field represent"? What would happen if the Earth's magnetic field was gone?	2
What is time? Like physically, I have no idea what it means. And when people say time slows down, what does the mean? What does it represent?	2
What makes someone look like an adult (more info in comments)?	2
Why does the fire on a candle get extinguished if you blow on it?	2
When you put an object in front of a light source, why isn't the shadow always pitch black? What causes it to change darkness with respect to the distance of the object to the ground?	2
If you stand on two scales, why would the resulting weights shown on each one not be equal to your actual weight?	2