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Question: It is proposed to generate hydroelectric power from a dammed river as shown below.
a. Draw a control volume for the system and label all control S\lrfaces.
b. Find the power generated by a 90 percent efficient water turbine if lw = 90 ft. 1bfAbm.
An electric dipole is formed from 1.0nC charges spaced 3.00 mm apart. What is the electric field strength at the given points
An ideal gas is in contact with a heat reservoir to that it remains at a constant temperature of 300.0 K. How much heat flows between the gas and the heat reservoir
An aluminum rod and a copper rod of equal diameter are joined end to end in good thermal contact. Determine what must be the length of the aluminum rod
careful measurements of local variations in the acceleration due to gravity can reveal the locations of oil deposits.
The power radiated by a star is 8.0 x 10^30 W. What is the intensity of the radiation from this star at a distance of 1.0 x 10^12 m from the star
A capacitor is connected across the terminals of an ac generator that has a frequency of 370 Hz and supplies a voltage of 15 V. When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.27 A. D..
What is the Professors initial velocity. He is pushed a distance 3.00 m along the incline by a group of students who together exert a constant horizontal force of 595 N. The professor's speed at the bottom of ramp is 1.70 m/s.
A plastic spring with spring constant 850 N/m has a relaxed length of 0.100 m. The spring is positioned vertically on a table, and a charged plastic 1.00-kg sphere is placed on the top end of the spring. Another charged object is suspended above the ..
A 1.4 kg block slides on a plane inclined at 37 degrees to the horizontal axis. The coefficient of friction between the plane and the block is .76. Find the acceleration of the two masses- the block and ball
a meteor whose mass was about 1.4times108kg struck the earth mass of earth 6.0 x 1024 kg with a speed of about 18kms
Explain why the general solution to a one-dimensional time-independent Schroedinger equation contains two different functions, while the general solution to the corresponding Schroedinger equation contains many different functions.
A 470-g firework is traveling straight up at 13 m/s when it explodes into two pieces. Find the speed and direction of the other piece directly after the explosion
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