/u/ryannayr140's posts in /r/askscience

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Only show posts with narrations

Two balls are rolled down a hill. Constant outer surface area and material density, but one ball is hollow. Which will hit the ground first? The heavier ball with mass distributed more towards the center? or the lighter, hollow ball?

726 upvotes

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What force caused this truck to veer off of the road?

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Are radio frequencies really limited?

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What would it cost to go to 100% renewable energy on a large scale?

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What would happen if an excavator dropped 10 cubic meters of water on somebody's head from 10 meters up?

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How come when lightning goes off the reception on the car radio weakens?

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How is it that multiple fans have died from being hit by pucks at hockey games, but no players?

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How can the Coriolis effect alter the trajectory of a bullet that travels one mile, when the earth's radius is 4000 miles?

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What changes would we expect to see if we had unlimited free energy?

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If humans established one way communications with aliens, could they theoretically decipher our messages? Could we decipher theirs?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Two balls are rolled down a hill. Constant outer surface area and material density, but one ball is hollow. Which will hit the ground first? The heavier ball with mass distributed more towards the center? or the lighter, hollow ball?	726
What force caused this truck to veer off of the road?	2
Are radio frequencies really limited?	2
What would it cost to go to 100% renewable energy on a large scale?	1
What would happen if an excavator dropped 10 cubic meters of water on somebody's head from 10 meters up?	1
How come when lightning goes off the reception on the car radio weakens?	1
How is it that multiple fans have died from being hit by pucks at hockey games, but no players?	1
How can the Coriolis effect alter the trajectory of a bullet that travels one mile, when the earth's radius is 4000 miles?	1
What changes would we expect to see if we had unlimited free energy?	1
If humans established one way communications with aliens, could they theoretically decipher our messages? Could we decipher theirs?	1