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Water is supplied to an office building 24.0 m high through a pipe at ground level.
(a) Find the minimum pressure in the supply pipe 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 at a speed of 5.05 m/s. Find the pressure in the larger pipe on the ground floor.
a 0.40kg basketball is thrown horizontally against a board with a velocity of 20m/sec. If the ball rebounds with a speed of 15m/sec. What is the impulse of the ball
Two wheels are free to spin about the same axle. The moment of inertia of wheel 1 is 2.16 kg m2, and the moment of inertia of wheel 2 is 1.02 kg m2. What is the magnitude of the angular momentum of the two disk system in this initial position
Assume 3 mol of neon (an ideal monatomic gas) at STP is compressed slowly and isothermally to 0.25 the original volume. The gas is then allowed to expand quickly and adiabatically back to its original volume.
Two organ pipes, open at one end but closed at the other, are each 1.08m long. One is now lengthened by 1.20cm. Find the frequency of the beat
An electric motor has a 840-turn coil on its armature. The coil is circular with diameter 17cmand carries 10.0A, ind the maximum torque on the coil when it rotates in a 1.20T magnetic fiel
If the wire is heated to 38.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire
A skydiver jumps out of a plane and fall 7.7 seconds before opening the parachute. What is the sky diver's speed when parachute opens
A cylinder of height 2 meters and radius 1 meter has its axis along the x axis the bottom of the cylinder lies in the yz plane. Find the flux through the Top part of the cylinder
The two wires of length 2m are 3mm apart and carry a current of 10 A dc. Calculate the force between these wires
A block of unknown mass is attached to a spring with a spring constant of 6.00N/m and undergoes simple harmonic motion with an amplitude of12.5cm. Calculate the maximum acceleration of the block
A disc of mass M and radius R is rolling purely without slipping with velocity V on a flat horizontal floor. When it hits a step in the floor of height R/2.what is the velocity of the center of mass of the disc just after impact.
A 28kg rock approaches the foot of a hill with a speed of 15 m/s. Use energy conservation to find the max height above the foot of the hill reached by the rock
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