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A geothermal pump is utilized to pump brine whose density is 1050 kg/m^3 at a rate of 0.3m^3/s from a depth of 200m. For a pump efficiency of 74%, decide the needed power input to the pump. Disregard frictional losses in the pipes, and suppose the geothermal water at 200 m depth to be exposed to the atmosphere.
If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.95 T field (perpendicular to the wire), what force is exerted on this segment of wire
A block with a mass m= 5.7 kg is pulled up a 29 degree incline with the force of magnitude F = 38N. Find the acceleration of the block if the incline is frictionless
a river has a 5m/s current due east. With respect to the water, the boats velocity is 12m/s at 60 degress north of east. What is the velocity of the boat relative to the earth
You produce an image of the Sun on a screen using a thin lens whose focal length is 28.3 cm. What is the diameter of the image in millimeters
What mass of water at 23.0°C should be allowed to come to thermal equilibrium with a 1.57-kg cube of aluminium initially at1.50 multiplied by 10 2 °C to lower the temperature of the aluminium to 69.8 °C? Suppose any water turned to stream subseque..
A 15.0 kg bucket of water is suspended by a very light rope wrappedaround a solid uniform cylinder 0.300 m in diameter with mass 12.0kg. What is the tension in the rope while the bucket is falling
An ideal gas has a volume of 0.20 m3, a temperature of 30 oC, and a pressure of 1.0 atm. What is the new pressure
A student pushes a 60 kg couch across a carpet at a constant velocity. find the magnitude of the force of the student on the couch
Two point charges, Q1 = -7 and Q2 = 2 are located between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.33m. Assume that the electric field produced by the charged plates is uniform and equal to E = 6..
What is the final velocity of a hoop that rolls without slipping down a 7.50 m high hill, starting from rest
It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, Find the minimum speed of a lead bullet
An Indy car with a speed of 125km/h goes around a level, circular track with a radius of 1.3km. What is the centripetal acceleration of the car.
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