A car has two horns, one emitting a frequency of 199 hz and the other emitting a frequency of 203 hz. what beat frequency do the
1 answer:
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Part a)
Flow rate is defined as rate of volume flow
it is determined by
now if the radius of pipe is reduced then we assume here that liquid flow is ideal flow here and there is no change in the density of liquid.
So here we know that since mass is always conserved
so
so we have
now we can say from above equation that there is no effect on the flow rate is we change the radius of pipe
Part b)
now in order to find the speed of flow'
so final speed will be
here we have n = 3
so flow speed will be 9 times more than initial speed