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1. Water flows in the system shown. The pump curve is approximated by HP ¼ 150 2 5Q 2, with HP Q in m3=s. Find (a) the flow distribution. (b) If the pump efficiency is 75%, what is the in m and required pump power? Use R1 ¼ 400 s2=m5, R2 ¼ 1000 s2=m5, R3 ¼ 1500 s2=m5, HA ¼ 10 m, and HB ¼ 40 m.
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A high-voltage power line carries a current of 120A at a location where the Earth's magnetic field has a magnitude of 0.59 G and points to the north, 63 degrees below the horizontal. Find the magnitude of the magnetic force exerted on a 290m length..
A wheel spinning at 25 rev/s is slowed to a stop by a constant acceleration while turning 50rev. What is the magnitude of the constant acceleration
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question a lightning bolt may carry a current of 1.00 x 104 a for a short period of time. what is the resulting
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The potential difference between two plates is 500 V and the separation between the plates is 7.00 cm. How much work would you have to do to move a proton next to the negative plate to 2.00 cm from the positive plate
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