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The mass of a spring-mass system, with
vibrates on a horizontal surface under a harmonic force of magnitude 200 N and frequency 20 Hz. Find the resulting amplitude of steady-state vibration. Assume the coefficient of friction between the mass and the horizontal surface as 0.25.
A ski lift has a one-way length of 1495m and a vertical rise of 285 m. The chairs are spaced 23 m apart, and each chair can seat three people. The lift is operating at a steady speed of 12 km/h.
a pipeline has been proposed to carry natural gas 1715 miles fro alaskas north slope to calgary alberta canada. the
in a condenser of a steam power plant the lake water is used as a coolant for the condensing steam. steam enters at 10
A slotted disk and opto-interrupter outputs pulses at 62 HZ. The disk has only one slot cut in it. what is the rotating speed of the disk in rpm?
electronic components are attached to a 2mm thick 10cm square aluminum plate. the back face of the plate has
A random sample of 12 shearing pins is taken in a study of the Rockwell hardness of the pin head. Measurements on the Rockwell hardness are made for each of the 12, yielding an average value of 48.50 with a sample standard deviation of 1.5.
the piston is initially resting on the stops . the cylinder contains carbon dioxide at 50 psia and 200 f and takes up 1
a pipe is made of a material the thermal conductivity of which is simultaneously dependent on radius and temperature
Steam expands isentropically through a converging nozzle operating at steady state from a large tank at 1.83 bar, 2808C. The mass flow rate is 2 kg/s, the flow is choked, and the exit plane pressure is 1 bar. Determine the diameter of the nozzle,..
The drive pulley for a conveyor belt has a diameter D1. The pulley is turned by a motor, while the idler wheel is freely rotating. The idler wheel has a diameter D2. There is no slack in the belt. The belt is moving at a linear speed of VBELT.
during a picnic on a hot summer day all the cold drinks disappeared quickly and the only available drinks were those at
calculate the air temperature and pressure at the stagnation point right in front of a meteorite entering the
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