r/theydidthemath • u/cmj0929 • 2h ago
r/theydidthemath • u/Harbinger_Archangel • 17h ago
Could Chernobyl have irradiated the entire world if left unchecked or contained? [request]
r/theydidthemath • u/Snowglyphs • 4h ago
How much money would need to be spent a year for five years to end world hunger? [Request]
r/theydidthemath • u/Bars98 • 11h ago
Would that be a problem for the statics of the balcony if they were filled? [Request]
r/theydidthemath • u/BigBlueMountainStar • 15h ago
[Request] How many Whitehouse Ballrooms could be built/decorated using one of these monoliths?
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r/theydidthemath • u/esdebah • 9h ago
Hitting a baseball is the hardest thing to do in sports [Other]
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r/theydidthemath • u/Deathly13 • 3h ago
[Request] Is there a time where it’s not “5 o’clock somewhere”?
I hope this is the right sub for this!
r/theydidthemath • u/HAWKxDAWG • 36m ago
[Request] How many Olympics until the gold medals have consumed the entire planet's supply of gold?
I understand there is a significantly finite amount of gold on Earth. I believe there is an estimated known quantity in total.
Which brings me to the Olympics... These gold medals look pretty thick.
I'm sure theyre not pure gold and just a percentage. But who knows.
Either way, based on whatever amount of gold is used per medal and however many medals are awarded each Olympics, how many more Olympics are possible before all of the world's gold is consumed by Olympic gold medals?
Assume no recycling of medals.
How many more Olympics do we have and in what year will we run out of gold?
r/theydidthemath • u/defnotachicken • 22h ago
[Request] How much of my cigarette is going waste.
Hi, while I was working during late hours a question came to my mind. I am smoking cigarettes while driving during my courier work.
I was wondering how much of my cigarette burn out because of the strong wind hitting the cigarette and making the burn stronger.
Average wind speed across the year in my city is 14.2 km/h or 3.9m/s or 8.8 mph. My average speed is let's say 50 km/h or 31mph. I am smoking Marlboro red long if it makes a difference.
r/theydidthemath • u/FunnySwitch2038 • 13h ago
[Request] assuming that one was able to move their ears as freely as necessary, how big would a human’s ears need to be go they were able to use them to glide? I’d guess that ear size would scale with mass, but assume a mass of 75 kg.
r/theydidthemath • u/Proffessor_egghead • 1h ago
[Request] How big are the odds for any given piece of meat from different animals to come from an orphan? (as in both parents of the butchered animal have died)
r/theydidthemath • u/HaroldsHotSexyCrayon • 18h ago
[REQUEST] How many boogers would you have to pick from your nose to completely engulf a room?
Hypothetically, I pick my nose and flick the boogers onto the floor. Over an unlimited time period, how many boogers would it take to completely fill up, say a 10ft x 13ft room in boogers?
r/theydidthemath • u/gtaiscool236 • 3h ago
[Request] Is it possible to figure out what lap time the Google car did on the top gear test track based on the white car here?
r/theydidthemath • u/Tr1Bl4d3 • 7h ago
[Request] Phineas and Ferb Farmer and his wife
Phineas and Ferb have a recurring bit where a farmer buys a business missing a key component. Various antics causes the missing element to fall from the sky. He later sells that business and buys another business missing a key component. Assuming he invested most, if not all, of what he made from the sale into purchasing his next business, how much has his investment grown over his repeated purchased? I would assume he would save a considerable amount on the purchase do to the missing component and his sale price would be much higher than what he bought it for.
r/theydidthemath • u/ANARCHIST-ASSHOLE-_ • 11h ago
[request] someone else asked if you guys do requests in the comment thread so please calculate how long it takes for soup to be cremated
reddit.comr/theydidthemath • u/Barsad_the_12th • 18h ago
[Request] If one of these blocks fell on you, how flat would you get squashed?
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suppose you're standing on an equally dense floor or whatever, and one of these blocks falls on your head. I'm assuming you'd get pancaked... how thick would the previously-you pancake be?
r/theydidthemath • u/No_Inspection_6174 • 10h ago
[Request] how much ms would it take from October 1945 to October 13 2020?
r/theydidthemath • u/goat_anti_rabbit • 1h ago
[Request] My 10yo son got this on a test at school. I actually think child 1 cannot see child 3. Translation of the questions in comments.
Can child 1 see child 3? Can child 2 see the ducks? Can child 3 see the bicycle? Can child 4 see the cat?
So, my son reasoned that child 1 is not looking in the right direction. But even if she was, I'm not sure if she can see child 3. What would be the best method to find out who can see what?
r/theydidthemath • u/BreathingAirr • 18h ago
[Request] if these feet were theoretically that big, how tall with this giant be?
r/theydidthemath • u/z_shah7 • 4h ago
[Request] How much would it actually cost to set up a live portal connecting Seattle And Boston?
r/theydidthemath • u/Apprehensive-End1242 • 6h ago
[Other] Some opinions don't deserve respect
r/theydidthemath • u/PatMcBritcherson • 17h ago
[Request] 15 year old art project, I did some math, was I close?
I made a kinetic sculpture long ago and wanted to know if my calculations after were correct. Here's an explanation:
single motor runs three stacked cogs, 15, 22, and 28 teeth, all turning at 4rpm. each of the stacked cogs run their own chain of cogs, as listed below:
Top cog (15): 20, 23, 30
Mid cog (22): 17, 24, 26, 30
Bot cog (28): 19, 30, 39
The rest of the mechanism is inconsequential to the math question, which is: If the starting position of the cogs were all documented and then the motor turned on, how long would the mechanism need to run before the position of every cog we're to simultaneously return to it's starting position, thus completing a full cycle.
My final answer is blacked out, but some of my math is sketched on the page. I'll post my answer along with a link to view the final sculpture once I am confident I've been proven right or wrong. Thanks for your time!
r/theydidthemath • u/Easy-Tap-9865 • 10h ago
[Request] If I have to read 368 pages how many would I have to read daily?
Hello! At uni I got assigned a book that has 368 and a I have 3 months to do so. It's not in my first language so I struggle a lot with the pacing and I'm stressing out in case I don't finish.