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While jogging on the beach (it's a warm summer day, about 30 deg C) a high-speed jet flies overhead. You guesstimate it's an altitude of about 3500 m, and count off about 5 s before you hear it. Estimate the speed and Mach number of the jet.
A steel tape is used to measure a distance of 20 m at a 10 0C. Assuming that the tape will measure the true distance when the temperature is 20 0C. What would be the indicated distance at 10 0C? What would be the indicated distance at 400C?
a 100 pound ball is suspended from a wall by a rope that is pulled asided by a horizontal rope B and held so that rope A makes a angle of 30 degrees with the vertical wall. Find the tension in ropes A and B?
A 12 kN force is exerted on a rocker arm. The moment of inertia (I) of the crosssection with respect to the neutral-axis is 43.3x10-9 m4.
Remember that velocity is a vector quantity so find the magnitude of the average velocity and the angle of average velocity from the horizon
Draw the stress distribution along the walled thickness and discuss whether the composite with the applied pressure is safe or not by using von-Mises and Tresca theory.
How do I calculate isentropic efficiency of a steam turbine when I know the inlet and outlet conditions?
Compare the time and cost of using the following three alternative methods for casting the concrete for the wall: 1) direct chute 2) pumped 3) crane and bucket.
If after 49.5 h the concentration of carbon is 0.35 wt% at a position 4.0 mm below the surface, determine the temperature at which the treatment was carried out.
Describe IN DETAIL how you could determine the required rate of heat addition or removal.
Determine the radius of the crank R and the speed n of a slider crank mechanism, used in a shaker table. It is required that the average speed of the table is 5 m/s, and the maximum absolute acceleration is 3000m/s^2. Assume ratio R/L=0.2
what two maintained tools will hurt an automotive technicians on the job performance?
Determine distribution of shear force and bending moment
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