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The water in a pipe at a gauge pressure of 4.2 X105 N/m2 enters a building at ground level at a speed of 0.5 m/s during a round pipe 6 cm in diameter. The pipe tapers down to 3.1 cm in diameter by the top floor, 38 m above the ground level. Compute the flow velocity and the measure pressure in the pipe on the top floor.
You have a small electromagnet that consumes 300 W from a residential circuit delivering 120 V at 60.0 Hz. What is the internal resistance of the electromagnet
A disk shaped grindstone of mass 3.0 kg and radius 8 cm is spinning at 600 rpm. After the power is shut off the frictional torque brings the grindstone to rest in 10 s. ? What is the number of complete revolutions of the grindstone after the power is..
one way to attack a satellite in earth orbit is to launch a swarm of pellets in the same orbit as the satellite but in
A man is pushing a box from behind with a constant net forceF-130N parallel to the ground on the level floor, moving it to adistance of 43m. Calculate the acceleration of the box
Proton in a well. Figure 24-51 shows electric potential V along an x axis.A proton is to be released at x = 3.6 cm with initial kinetic energy 4.0 eV. The scale of the vertical axis isset by Vs = 10.0V.
A 22.29 g ball of clay traveling east at 3.83 m/s collides with a 44.01 g ball of clay traveling north at 4.28 m/s. What is the speed of the resulting 66.3 g ball of clay
on a distant planet golf is just as popular as it is on earth. a golfer tees off and drives the ball 4.5 times as far
a loaded cart has a total mass of 227kg.if a 312n force acting at an angle of 30degree to the ground is applied. how much work is done in moving the cart 15meters?
What is the period of the motion.
A ship, carrying fresh water to a desert island in the Caribbean, has a horizontal cross-sectional area of 2790m2 at the waterline. How much water was delivered
a solenoid of length 6.3 cm and diameter 0.77 cm is wound with 178 turns per cm. the current is decreasing at a rate of
Thus, to eliminate the difficulties with motion sickness, designers must choose the distance between the astronaut's feet and the axis about which the space station rotates to be greater than a certain least value. What is this least value.
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