Quality-control technician
A quality-control technician must select a sample of 10 dresses from a production lot of 74 couture dresses. How many different samples are possible? Express your answer in terms of factorials.
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Boris starts at same time as Alex does. He begins from point (4, 0) and will reach point (0, 10) after 4 seconds. When will be Alex and Boris closest together?
If the wave function is given by Ψ 2=N(4x2-2)e-x^2/2 where N is the normalization constant. At what position x is the diatomic molecule least likely to be found? Discuss in detail.
The electron consists of a kinetic energy which is 1.8 times its rest energy. Determine its speed, defined as a fraction of the speed of light?
Compute the wavelength of the ejected electron when a light of wavelength 2.53x10-7 m strikes a metal surface, electrons with speed of 9.45x105 m/s a ejected.
A charge of uniform density (0.8nC) is distributed all along the x-axis from the origin to the point x = 10cm. Determine the electric potential (relative to zero at infinity) at a point x = 18 cm, on the x-axis?
When one mole of two ideal monatomic gases, neon and helium, are separated in a partitioned container where each side of the container is having 22.4 L and the temperature of the system is 273 K, The partition is removed and the gases mix.
If a normal distribution has the mean of 48 with standard deviation of 6, what X value is the lower boundary of top 60% of distribution?
Find the molecular formula of benzocaine the following data were obtained from experiments to a local anesthetic, which contains only the hydrogen, carbon, oxygen and nitrogen.
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