Find fatigue strength corresponding to life of three cycles
The endurance limit of a steel component is 112 MPa and the ultimate tensile strength is 385Mpa. What is the fatigue strength corresponding to a life of 70 x 10 power of 3 cycles?
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If the mass of the first particle is 6.3X10^-7kg, what are (a) the mass of the second particle and (b) the magnitude of the charge of each particle?
Suppose we have a floor made of parallel strips of wood, each with width 3, and we drop a needle of length 1 onto the floor. The aim of this exercise is to find the probability that the needle will lie across a line between two strips.
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Calculate the concentrations of the protonated and unprotonated forms of bromothymol blue in 100 mL of a pH 8.1 buffer solution to which 1.0 mL of a 0.005 M solution of bromothymol blue in 80%water/20%ethanol has been added.
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Show that if Z ? POI(6), then the random variables X and Y are independent and have Poisson distribution by calculating the joint p.m.f. of X and Y.
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