A river 3m deep and 80m wide is flowing at the rate of 4.5m/hr. find the quantity of water that twns into the sea in 5 minutes
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Height of river = 3m
Breadth of river = 80m
Length of river = 4.5m/hr
*change into min --> 4.5/60 = 0.075m (60min = 1hr)
Volume of cuboidical river = length × Breadth × Height
= 0.075 × 80 × 3
= 18m^3
quantity of water twns into sea in 5min = 18 × 5 = 90m^3
Breadth of river = 80m
Length of river = 4.5m/hr
*change into min --> 4.5/60 = 0.075m (60min = 1hr)
Volume of cuboidical river = length × Breadth × Height
= 0.075 × 80 × 3
= 18m^3
quantity of water twns into sea in 5min = 18 × 5 = 90m^3
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