Estimate the total power emitted by the sun in megawatts
From the solar constant (1353 W/m^2) and the average distance between the sun and the earth (r = 1.49x1011m) estimate (a) the total power emitted by the sun, in megawatts, and (b) the mass loss of the sun, in tons per day.
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The throat has a diameter of 3 cm and the propellant has a ratio of specific heats of 1.2. Calculate the thrust when it is operated at vacuum conditions.
In one college, heights of male students are approximately normally distributed with a mean of 68 inches and standard deviation of 4 inches. A random sample of 36 students is obtained and the heights are recorded.The sample mean is calculated. Fi
Americium-241 is used in smoke detectors. It has a rate constant for radioactive decay of k =1.6x10-3yr-1. How much of a 1.00-mg sample of Americium-241 remains after three half-lives?
Find the mean of this sampling distribution of sample means. Find the standard error of the mean of this sampling distribution of sample means.
The one-sample t statistic from a sample of n = 15 observations for the two-sided test of
Estimate (a) the overall efficiency of the solar powerplant and (b) the efficiency of energy transmission to the steam in the central receiver, both at peak conditions. Assume a reasonable I is 1.0 kW/m2.
How would you not tell the difference between the three? Usinig the technique in the lab (we measured the samequantities of water using two different measuring devices andcompared them using a t test, and we also took the expected mass ofwater at
Is the value t = 2.12 statistically significant at the 10% level? At the 5% level?
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During a routine vital sign assessment, the nurse notes the client's blood pressure is 212/110. Which action should the nurse take to decrease the blood pressur
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