Homework Statement
A wave travels along a string at a speed of 261 m/s. What will be the speed if the string is replaced by one made of the same material and under the same tension but having twice the radius?
Homework Equations
v=squareroot(T/mu) (where T=tension)
mu=m/L (where m=...
Homework Statement
The bottom of a steel "boat" is a 7.00 m x 8.00 m x 5.00 cm piece of steel (rho-steel=7900 kg/m^3.) The sides are made of 0.540 cm-thick steel.
What minimum height must the sides have for this boat to float in perfectly calm water
The Attempt at a Solution
I...