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Water is supplied to an office building 44.0 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 5.35 m/s. Find the pressure in the larger pipe on the ground floor.
A 3.0 cm tall statue is 48 cm in front of a biconvex lens (focal length 20 cm), how high is the image
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 348 K is heated at constant volume to 696 K, What is the efficiency of the cycle
Driving home from school one day you spot a ball rolling out into the street. You brake for 1.30 s, slowing your 840 kg car from 16.0 m/s to 9.50 m/s. How far did you travel while braking
A 55 g piece of aluminum at 21 °C is cooled to -196 °C by placing it in a large container of liquid nitrogen at that temperature. How much nitrogen is vaporized
Objects A and B are on a horizontal surface. Object A exerts a force on object B, and, in accordance with the laws of motion, generates a reaction force.
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles
The figure below shows a conducting rod sliding along a pair of conducting rails. The conducting rails have an angle of inclination of theta= 39.0 degrees. What is the rod's terminal speed?
Find out the coefficient of static friction
questionan ideal gas is placed in a tall vertical cylinder with cross-sectional area a 0.1 m2.nbspa frictionless
A roller coaster, travelling with an initial speed of 15 meters per second, decelerates uniformly at -7 meters per second per second to a full stop. How far does the roller coaster travel throughout its deceleration.
A mass of 3kg, is sitting on a 34° incline and is connected by a massless string over a pulley in the shape of a hollow cylinder, estimate the acceleration of the system
While walking around your apartment in socks you shuffle your feet across the floor and realize that you've accumulated a positive charge of +9 nC (9 x 10^-9 C)
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