Calculate the work done during the process
During an expansion process, the pressure of a gas changes from 100 to 700 kPa according to the relation "P=aV+B", where a=1220 kPa/m^3 and b is a constant. If the initial volume of the gas is 0.2 m^3, calculate the work done during the process.
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A boat has a mass of 6800 kg. Its engines generate a drive force of 4100 N, due west, while the wind exerts a force of 740 N, due east, and the water exerts a resistive force of 1200 N due east. What is the magnitude and direction of the boat's ac
A sample of blood is placed in a centrifuge of radius 13.0 cm. The mass of a red blood cell is 3.0 multiplied by 10-16 kg, and the magnitude of the force acting on it as it settles out of the plasma is 4.0 multiplied by 10-11 N. At how many revolutio
The on-line access computer service industry is growing at an extraordinary rate. Current estimates suggest that only 20% of the home-based computers have access to on-line services. This number is expected to grow quickly over the next five years
What is the fracture toughness K1c of the material of the sample? If the material has a modulus E of 200 GPa, what is its toughness?
A garment manufacturing company recorded the amount of time that it took to make a pair of jeans on 8 different occasions. The times in minutes are listed below. Assume these measurements were taken from a population with a normal distribution.
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The radius of gyration of the wheel is 0.3 m. A 1.2 kg mass hangs at the end of a cord that is wound around th rim of the wheel. This mass falls and causes the wheel to rotate. What is the acceleration of the falling mass and the tension in the co
A psychological introvert-extrovert test produced scores that had a normal distribution with mean and standard deviation of 75 and 12, respectively. If we wish to designate the highest 15% as extrovert, what would be the proper score to choose as
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