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Water is supplied to an office building 41.5 m high through a pipe at ground level.
a) Find the minimum pressure in the supplypipe so that water can reach the top floor of the building.b) Suppose the pressure in the supply pipe is designed so that water can flow out through a much smaller pipe on the top floor ata speed of 4.85 m/s. Find the pressure inthe larger pipe on the ground floor.
A 4.30-kg ball is dropped from a height of 14.5m above one end of a uniform bar that pivots at its center. The bar has mass 6.50kg and is 4.60m in length. At the other end of the bar sits another 6.00-kg ball, unattached to the bar. The dropped ball ..
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a 11.2 cm-diameter circular loop of wire is placed with its face parallel to the uniform magnetic field between the
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