perplexus.info :: Science : Two items to get sqrt of 2

Home > Science

Two items to get sqrt of 2 (Posted on 2016-07-19)

Evaluate an approximate value of sqrt(2), using a sneaker and a stopwatch only.

Source: Mark Levi's "Why Cats Land On Their Feet?"

See The Solution Submitted by Ady TZIDON

Rating: 3.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re(2): another way(s)

| Comment 4 of 5 |

(In reply to re: another way(s) by Ady TZIDON)

Each of these three ways can be used to approximate other square roots.

Mine by using different ratios of heights, Charlie's by walking other right triangles, and the official solution by using different ratios of pendulum length.

Posted by Jer on 2016-07-26 09:49:15

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (16)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info