In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide greater intensity. for example, the note at 112 hz has two strings at this pitch. if one string slips from its normal tension of 607 n to 515 n, what beat frequency will be heard when the two strings are struck simultaneously? answer in units of beats/s

Idon’t quite understand this problem

Consider a one meter long horizontal pipe with a constant 100 cm^2 cross sectional area. water flows rightward into the pipe at x = 0 with flow velocity 02m/sec at every point within the pipe intake area. at x=1, the rightward flow rate is 0.192 m/sec. assume the water is a conserved quantity in the pipe, so there must be a leak (a sink) somewhere in the pipe. 1. compute net volumetric flow of the source if the system to be in equilibrium. 2. now assume the pipe in the problem has no leaks. compute the net volumetric rate of change for the system.

Most of the volume of an atom is occupied by the