How much is this distance and the temperature
Saturated water vapor at 200 kPa is in a constant pressure piston cylinder. At this state the piston is 0.1 m from the cylinder bottom. How much is this distance and the temperature if the water is cooled to occupy half the original volume?
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An airplane is flying in a horizontal circle at a speed of 122 m/s. The 80.0 kg pilot does not want his centripetal acceleration to exceed 6.00 times free-fall acceleration.
Use a 0.05 significance level test the claim taht the three cateogries of blood lead level have hte same mean full IQ score. Does it appear that the exposure to lead has an effect on full IQ scores?
Determine the mass of methane gas stored in a 2 m3 tank at ?30°C, 3 MPa. Estimate the percent error in the mass determination if the ideal gas model is used.
A 1.60*10^3 kg car rounds a circular turn of radius 22.0 m. If the road is flat and the coefficient of static friction between the tires and the road is 0.7, how fast can the car go without skidding?
A random sample of 625 SAT scores has a mean of 1500. Assume that SAT scores have a population standard deviation of 250. Construct a 95% confidence interval estimate of the mean SAT scores. Show all work.
You want to test the effects of water aerobics on resting heart rate. You decide to test two different levels of exercise (water aerobics for 30 minutes twice a week and water aerobics for 60 minutes once per week.) You randomly find a group of 60
How many times a minute will they spin together if the record player base and the record stick together (assume there is no slipping when the record lands on the base)? Remember, for a solid disk or cylinder, I = 1/2 MR2.
A slab of aluminum of area 2m^2 and with a mass 9 kg is lying on some insulation on the surface of the moon during daytime and is equilibrated at a temperature To= 140 degrees C.
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