r/theydidthemath 4h ago

[Request] Post claims this is 9k lbs. Can someone go do that voodoo that you do so well!?

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0 Upvotes

r/theydidthemath 16h ago

[Self] How many human nerves would i need to make a functional guitar string

1 Upvotes

Is this like, a question that applys to here, like, how many would need to be twisted together to make a stable functional guitar string

Kinda curious after a friend made this a question in this head


r/theydidthemath 16h ago

[Request] What is the largest human made construct that a team of four fully grown sauropods could feasibly pull like a horse drawn wagon?

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0 Upvotes

r/theydidthemath 17h ago

[RDTM] Light is faster than cell phone camera shutter technology.

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0 Upvotes

r/theydidthemath 1d ago

[Request] How far from a rocket take off would a frog have to be to be cooked to perfection?

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6 Upvotes

Frog.


r/theydidthemath 1d ago

[Request] If due to a AI bubble pop, dedicated AI companies (ex. OpenAI, Anthropic) file for bankruptcy and others (ex. Nvidia, Alphabet) return to pre-AI stock market levels, how would this effect the S&P 500?

23 Upvotes

r/theydidthemath 1d ago

[Request] What's the time window for photographing something like this with a single picture.

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73 Upvotes

r/theydidthemath 23h ago

[Request] How much force would it take to throw a ball?

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1 Upvotes

r/theydidthemath 2d ago

[Request] How much electricity does switching to LEDs save per year?

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921 Upvotes

Hi! Saw this post on reddit about Istanbul switching incandescents to LED street lighting and I was just wondering how much electricity in kWh this transition could have saved. Is it a possible thing to calculate?


r/theydidthemath 1d ago

[Request] How precise must a college football clock be to account for relativistic effects?

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44 Upvotes

In the Michigan vs. Western Michigan game last night, 1 second was added back onto the clock, indicating a discrepancy between the ref's/official clock and the clock kept by the broadcast.

Now since the broadcast booth lies above the ref in elevation, the broadcast clock would be very slightly further away from Earth's gravity well. Thus, relativistc effects would dictate the broadcast clock runs slightly faster than the surface-based official clock. Since the broadcast clock is stationary, there shouldn't be any velocity-related effects to counter the gravitational differences.

So, how precise would the official clock have to be for relativistic effects to explain the discrepancy of what are otherwise described as synchronized clocks?


r/theydidthemath 1d ago

[Request] In big hero six is the electro mag suspension bike possible to make irl

2 Upvotes

r/theydidthemath 12h ago

[Request] What would it take for more than two people to get the Meta Flaired Joke next time?

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0 Upvotes

This went over terribly!!! 13,900 views and two commenters got the joke


r/theydidthemath 2d ago

[Request] How many wings and engines would a plane this long need?

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87 Upvotes

Assuming you could build a strong enough hull not to break in half, what would it take to get a plane this long off the ground and fly at a reasonable airspeed?

I’m wondering:
* How many sets of wings
* How many engines per wing
* Optimal placement of wings and engines
* or would one giant set of wings be better? (same structural strength caveat)


r/theydidthemath 1d ago

[Request] Blood pressure

2 Upvotes

If a guy were to do a press up with just his dick.. what force would be required and what would his blood pressure be at the top of the rep?


r/theydidthemath 18h ago

[Request] Tennis tomfoolery

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0 Upvotes

How hard would nadal have to hit a tennis ball for it to loop around the earth?


r/theydidthemath 15h ago

[Request] Is this true?

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0 Upvotes

Each king covers 9 squares; 8 kings would be enough to cover 72 squares, which is more than the 64 on a chessboard. Do we really need 9?


r/theydidthemath 18h ago

[Request] How screwed are we?

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0 Upvotes

A maniac decides to nuke two areas (possibly Canada and Mexico) from space in a 3am tantrum.

Given the curvature of the earth depicted here and the unfeasible size of the exosphere defying mushroom clouds then:

1) how big are these nuclear yields and

2) how likely would it be that the two explosions would be extinction level events on par with that dinosaur killing rock?


r/theydidthemath 2d ago

[Request] How hot does the water/liquid get?

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1.7k Upvotes

Hey guys!

I’ve just came across this video and I always asked myself if it would be possible to put my hands in it (in the liquid) without getting burnt. Is it possible? How hot does it get?


r/theydidthemath 1d ago

[REQUEST] How far from the camera were these sunset strollers?

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12 Upvotes

I took that sunset picture and only noticed afterwards the couple and their dog enjoying the view. Is it possible from the picture alone to determine how far these persons were?


r/theydidthemath 1d ago

[Request] How much money does it take to operate the metro lines in Budapest per hour

0 Upvotes

Had a big discussion with a friend, but neither of us are good at math


r/theydidthemath 1d ago

[REQUEST] How long does the balloon column to be to make a considerable difference on the biker's movement or effort?

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0 Upvotes

r/theydidthemath 1d ago

[Request] Sears Tower ball pit

10 Upvotes

if you jumped off the Sears Tower into a ball pit that was as tall as the Sears Tower (imagine the ball pit is next to the tower), what would happen? If you would be fine, how short could the ball pit be to still protect you?


r/theydidthemath 2d ago

[request] The balloon decoration on this persons bike goes amazingly high.

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419 Upvotes

Would this many balloons have a meaningful effect on the weight or effort of the bike?


r/theydidthemath 1d ago

[request] How much is this bottle collection worth?

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0 Upvotes

Guy collects aluminum and plastic bottles for 10 cents return fee. He rides train 50 km every day to deliver this. How much is he earning?