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A pot with a steel bottom 7.95 mm thick rests on a hot stove. The area of the bottom of the pot is 0.170 m2. The water inside the pot is 100.0°C at and 0.490 kg are evaporated every 3.00 min. Find the temperature of the lower surface of the pot, which is in contact with the stove.
A 1200kg car rounds a curve of radius 65 m banked at an angle of 14degrees. if the car is traveling at 30km/hr, will a friction force be required? if so, how much and in what direction.
Water at 25 degrees celius is pumped from 100kPa to 5MPa in a pump with an efficiency of 75%, Calulate the temperature rise in the real pump
What is torque exerted by the fish about an axis
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 0.900m/s, What is the frequency and amplitude of the wave
A non-uniform bar 5 meters has a center of gravity 1 meters from the heavy end. If it is placed on the edge of a block 1 meters from the light end and a weight of 1497N is placed at the light end of the bar, it will be balanced. What is the weight..
A 64 woman stands on a very light, rigid board that rests on the bathroom scale at each end. 1.5 m left of her and 2.0m total. what is the reading on each of the scales.
A pair of speakers separated by 0.820 m are driven by the same oscillator at a frequency of 652 Hz. An observer originally positioned at one of the speakers begins to walk along a line vertical to the line joining the speakers.
A large tank is filled with methane gas at a concentration of 0.690 kg/m3. The valve of a 2.00-m pipe connecting the tank to the atmosphere is inadvertantly left open for 11.0 hours. determine the cross-sectional area of the pipe
The system shown above is in equilibrium. The steel block has a mass m1 = 234 kg, What is the tension in the vertical wire that holds the steel block
At an accident scene on a level road, investigators measure a car's skid mark to be 68-m long. It was a rainy day and the coefficient of friction was estimated to be 0.38. Make use of these data to determine out the speed of the car when the drive..
The temperature of the surface of a certain star is 7500K. Most hydrogen atoms at the surface of star are in the electronic ground state. What is the approximate fraction of hydrogen atoms that are in the first excited state (and therefore could e..
The volume control on a surround-sound amplifier is adjusted so the sound intensity level at the listening position increases from 21 to 59 dB. What is the ratio of the final sound intensity to the original sound intensity?
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