1-3-3 A man is considering buying a IEoz steak for 53.15.. or a EEG-g steak for $1.8G. The steak that is a
better hn}r is to he determined.
Assmuptt'eus The steaks are of identical quality.
Arralrsl's To make a comparison possible: we need to express th
. 1. Water (1/ =1.14x10‘6m2/s) ﬂows at q = 0.05m3 /s in
the 10 cm diameter pipe Whose roughness is e=0.046mm.
If the air in the tank is p1 — pa = ZOOkPa , What is the work
rate of the pump?
4L" . .5 b“"a. _Z L.‘ v4-
‘ '-‘ '9 "I‘g(zz IX