Determine dead load that can be safely supported
A beam has a solid square cross section of 100mm and is simply supported by two supports 3m apart. Calculate the dead load that can be safely supported when applied to the midle of the beam.
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If after 3 minutes, the center temperature is 4 degrees C, determine the average convective heat transfer coefficient. If you use an assumption in the solution, justify the assumption.
A force is represented by a vector: from F= ˆi (3xy) - ˆj (2x^2(y)) . Calculate the work done by this force in a displacement from the origin (0,0) to (the point (5, 10) along the following paths:
Traffic spacing is the time between vehicles (measured in seconds) passing a fixed point. If vehicles travel the road "at random", which would mean "without clumping" then the time between vehicles passing should follow an exponential distribution
A car engine is rated at 148 horsepower (110kW). If the resistive forces acting on the car vary with the car's speed v as F(res)= Av^2 where A = 1.69Ns^2(m-2) , Estimate the maximum speed in mph attainable by this car on a straight, horizontal hig
The probability of "more than 20 defective items" corresponds to the area of the normal curve described with this answer: "the area to the right of 20.5." The probability that the number of truly honest lawyers is between 11 and 12 inclusive.
The potential energy of a mass m in a certain region varies as: U(x) = (13x2 + 39x-70)(Joules) . The total mechanical energy of the mass is constant = 60 (Joules). A. To what region of the x-axis is the particle limited?
Suppose that the lifetime of a battery, measured in hours of continuous use, follows a normal distribution with a mean of 100 hours and a standard deviation of 15 hours.
Compute the cooling load for a window facing south at 36 deg N latitude at 1:00 P.M. sun time in july. The glass is 5-mm sheet in an aluminum frame with no thermal break with venetian blinds of medium color.
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