A slide whistle can produce pitches ranging from 500 Hz to 4000 Hz approximately. When the slide whistle is producing a 510 Hz tone, what is the wavelength of that tone in air at standard conditions

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?