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85. Show that the Reynolds number is unitless by substituting units for all the quantities in its definition and cancelling.
86. Calculate the Reynolds numbers for the flow of water through (a) a nozzle with a radius of 0.250 cm and (b) a garden hose
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8.5) The Reynolds no. MR = 2pur An for NR below about 2000, How ý laminar --3000, How ý turbulent blo 20000 and 3000 , it maNR=1. 270x105 since Ne> 2000 therefore the How is neet laminar. NR = 286 Tirn Ne? 2X Circo x103) X 10.580 %1003) T X 10.900 x

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