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The efficiency of a 1089 MW nuclear power plant is 17.7 percent. If a river of flow rate 1.23 x 106 kg/s were used to transport the excess thermal energy away, find the average temperature increase of the river?
question a small sphere with a mass of 0.002g and carrying a charge of 510-8c hangs froma thread near a very large
A javelin thrower releases a javelin 1.50 meters above the ground at an angle of 48.0 degrees. what was the initial velocity of the javelin
Three positive particles of equal charge +17uC are placed at the corners of an equilateral triangle of side 15.0 centimeter. Obtain the magnitude and direction of the net force on each particle due to the other two
Now suppose the gliders in the previous problem collide completely inelastically so that they stick together rather than rebounding off each other after they collide. Compare the initial and final kinetic energies
A golf ball of mass 0.050 kg is at rest on thetee and has a velocity of 102 m/simmediately after being struck. If the club and ball were in contact for0.81 mili second, what is the average forceexerted on the ball?
Air streams horizontally past a small airplane's wings such that the speed is 62.0 m/s over the top surface and 52.0 m/s past the bottom surface. What is the direction of the net vertical force on the airplane
In the overhead view of the figure, a long uniform rod of mass m = 0.29 kg is free to rotate in a horizontal plane about a vertical axis through its center. A spring with force constant 360 N/m is connected horizontally between one end of the rod ..
A 16.1-kg sled is being pulled across a horizontal surface at aconstant velocity. The pulling force has a magnitude of 77.5 N andis directed at an angle of 29 ° above the horizontal. Determinethe coefficient of kinetic friction.
A long, uniform rope with a mass of 0.120 kg per meter lies on the ground. You grab one end of the rope and lift it at the constant rate of 1.40 m/s. Compute the upward force you should exert at the moment when the top end of the rope is 0.580 m abov..
two resistors 54.6 and 83.9? are connected in parallel. the current through the 83.9-? resistor is 2.84a. a determine
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
A doubly charged ion is accelerated to an energy of 31.5 keV by the electric field, What is the electric field strength between the plates in V/m
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