Get main
84%

18 hour(s) left

A tightrope, fixed at both ends, supports a standing wave with a total of 4 nodes. If the length of the tightrope is 6m, what is the wavelength of the wave?

The Fact

Did you know that sounds travels 15 times faster through steel than through the air! Who would have thought?!

What's the difference between a deposit and a bank credit? For example, deposit - it is when you have a money, but you are living as you don't have it. A credit - it's when you don't have a money, but you are living as you have it.