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A nuclear power plant generates waste thermal energy at a rate of 1000 MW = 1000 × 106 W. Assume the heat of vaporization of a water is 2.256× 106 J/kg.
If this energy is transferred by hot water passing through tubes in the water in an evaporative cooling tower, how much water must evaporate to cool the plant per second?(delta m/ delta t)
How much water must evaporate to cool the plant per day? (delta m/ delta t)
Phil finds an old bone at an archeological site and decides to date it. The site is located geographically at a position where the ratio of 14C to 12C in the atmosphere before the year 1900 was about 1.31 · 10-12
The plates of a 3.5nF parallel-plate capacitor are each 0.21m^2 in area. how thick is the sheet
A diffraction grating produces a first order maximum at an angle of 20.0°. What is the angle of the second order maximum
Two 2.30 cm x 2.30 cm plates that form a parallel-plate capacitor are charged to +- 0.714nC. Part A What is the potential difference across the capacitor if the spacing between the plates is 1.00mm? Part B What is the potential difference across t..
A woman walks 300m in the direction 30° east of north, then 300 m directly east.
Find the radian measure of one of the angles of a regular pentagon. (The angles are all the same in a regular pentagon.) In degrees, the formula for the sum of the interior angles of an n-sided polygon is (n = 2) × 180°.
After a tornado, a 0.60g straw was found embedded 3cm into the trunk of a tree. If the average force exerted on the straw by the tree was 90N, what was the speed of the straw when it hit the tree.
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles
A tow truck pulls a car 5.2 km along a horizontal roadway using a cable having a tension of 790.
A baseball outfielder throws a 0.150 kg baseball at a speed of 45.0 m/s and an initial angle of 28.0°. Illustrate what is the kinetic energy of the baseball at the highest point of its trajectory?
What must the charge (sign and magnitude) of a particle of mass 1.44g be for it to remain stationary when placed in a downward directed electric field of magnitude 660 N/C.
compute how much charge must be placed on the surface of a sphere of radius 0.31 m for the electric potential just above the surface to be 100 V. Assume that the charge is uniformly distributed.
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