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An object is dropped from the top of a building and is in view for time τ while passing a window of height h some distance lower down. How high is the top of the building above the top of the window?
An 8-in diameter grinding wheel, 1.0 in wide, is used in a surface grinding job performed on a flat piece of heat-treated 4340 steel.
An observer is sitting in frame S at rest with respect to S. A second person is sitting in frame S' which is moving with β = 0.8 away from S. What is the velocity of the ball in frame S
consider a steam turbine operating at steady-state. there is one inlet and one outlet tand adiabatic conditions may be
find reaction of the block at A.all surfaces are smooth
A high-speed jet is used to cut solid materials. Estimate the maximum pressure developed on the material if the velocity issuing from the water jet is ( a ) 100 m = s, ( b ) 120 m = s, and ( c ) 120 m = s.
Show the difference between monoclinic and orthotropic materials by applying normal stress in principal directions and shear stress in principal planes, one at a time and studying the resulting nonzero and zero strains.
steam enters a turbine with a pressure of 3000 kpa a temperature of 400 degrees c and a velocity of 160 msec. steam
what is thermal energy storage? how does it differ from thermal energy generation? what role do the terms play in a
1. A surveyor finds that the bottom of a rectangular channel drops 3.75 feet in a distance of 200.0 feet. What is the slope of the channel?
Determine the specific weight of lightweight concrete and calculate its dead load intensity if it is used in an 80-mm (3.25-in) cover of a formed steel deck walkway. Compare this result with that found in Problem CS1.2 and explain any differences.
calculate the transverse modulus of the peek/carbon fiber composite with 30% volume fraction by tow method. the modulus of peek is 3.8 GPa and the modulus of the carbon fiber is 400GPa. assume the reinforcing factor.
A 1:10 scale model study of an automobile is proposed. A prototype speed of 100km/h is desired. What wind-tunnel speed should be selected for the model study? Comment on the advisability of such a speed selection.
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