(Solved):
A trapezoidal weir has a side slope of \( 4: 1 \), a crest length of \( 1 \mathrm{~m} \), ...
A trapezoidal weir has a side slope of \( 4: 1 \), a crest length of \( 1 \mathrm{~m} \), a weir coefficient of \( 1.86 \), and a head of \( 1 \mathrm{~m} \). Calculate discharge over the weir ( \( 10 \mathrm{mks}) \)