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Water is at rest at the bottom of a well of depth h = 7.82 m. A pump lifts mass at a rate of dm/dt = 119 kg/minute from the well and ejects it with a speed v = 3.74. m/s. If there is no friction anywhere, find P, the power (energy per time) needed to do this work.
A simple pendulum is made of a small blob of mass m = 9.500 kg attached to the end of an inextensible wire. What is the magnitude of the tension in the wire
A 238/92U nucleus is moving in the x direction at 5.0 * 10^5 m/s when it decays into an alpha particle 4/2He and a 234/90Th. Write an expression for the conservation of momentun in the x direction
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.
Write a paper follow below instructions: -the three classes of pumps which are, positive displacement, momentum transfer and entrapment
you must determine the acceleration of a rocket so that its equipment can be designed to survive. the rocket will have a burne time of t=30 second, what is maximum altitude of the rocket
In the figure, block 2 (mass 1.10 kg) is at rest on a frictionless surface and touching the end of an unstretched spring of spring constant 231 N/m. by what distance is the spring compressed
On July 15, 2004, NASA launched the Aura spacecraft to study the earth's climate and atmosphere, How many hours does it take this satellite to make one orbit
express what would be the frequency of vibrations.
the wavenumber of the incident radiatin in a raman spectrometer is 20487 cm-1. what is the wavenumber of the scattered
A 2kg ball is rolling East (without slipping) down a hill that makes an angle of 30° with the horizontal. find the net acceleration at the instant the ball is kicked
The weight of passengers on a roller coaster increases by 51 percent as the car goes through a dip with a 39 radius of curvature.What is the car's speed at the bottom of the dip.
A filing cabinet weighing 556 N rests on the floor. The coefficient of static friction between it and the floor is 0.68, In which of the attempts does the cabinet move
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