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Problem 1:
A velocity field is given by
Find the velocity and acceleration at point (1,1,1) at time t = 1 second. Write the acceleration vector.
Given that:
Problem 2:
A reducing elbow in a horizontal pipe is used to deflect water flow by an angle θ = 30o from the flow direction while accelerating it. The elbow discharges water into atmosphere. The cross-sectional area of elbow is 140 cm2 at the inlet and 20 cm2 at the exit. The elevation difference between the centres of the exit and the inlet is 30 cm. The mass of the elbow and the water in it is 40 kg. Determine the anchoring force needed to hold the elbow in place. Take the momentum-flux correction factor to be 1.03 at both the inlet and outlet.
Calculate the mean, median, mode, variance, standard deviation and skewness.
1) Tommy's cab company transports riders using 2 routes. Use the following data to determine the mean driving time and the variance in the driving time.
Suppose that the distribution of a random variable X is approximately exponential with a mean of 10:
the speedem-feedem airline must decide how many new flight attendants to hire and train over the next six months. the
Show that the wave equation does not, in general, satisfy a maximum principle - diffusion equation on the half-line with Robin boundary condition
1. In what was the content (subjects) of 19th century Neoclassicism and Romanticism similar? Why was Neoclassicism the conservative style and Romanticism the liberal one? How are Delacroix and Ingres similar different in their respective painting..
What are the shape, mean, and standard deviation of the sampling distribution of the sample proportion for samples of 500?
Compare and contrast the differences between a single-phase queuing system and multiphase queuing system. Describe your answer in full.
1. Find the derivative. 5. The displacement s (in cm) of a linkage joint of a robot is given by s = (4t-t2)2/3, where t is the time (in s). Find the velocity of the joint for t = 2.75 s.
Show that the base step is true - What is the inductive hypothesis and statement is true for every positive integer
Matrix multiplication is distributive. That is, for any four matrices A, B, C and D of appropriate size, the following two matrix multiplication equalities
use lagranges mean value theorem to determine a point on the curve y vx2 where the tangent is parallel to the chord
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