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Figure P9-7a shows a gear train containing both compound-reverted and epicyclic stages. The tooth numbers are indicated in the figure. The motor is driven CCW at 1750 rpm. Find the speeds of shafts 1 and 2.
a 25-cm diameter rod is suspended horizontally in quiescent still air that is at 50degc. the rod is 250 cm long and is
the principal stresses at a given point are sigma1 10 mpa sigma2 ?100 mpa. sketch mohrs circle for this state of
The rope makes 1 1 2 turns around the pole. Calculate the maximum weight that can be sustained if a person exerts a force of 50 lb on the end of the rope.
the ball at a is kicked such that thetaa 30 degrees. if it strikes the ground at b having coordinates x 15ft y -9ft
Determine the tension T required to remove the plug from its tapered hole. Atmospheric pressure exists in the drainpipe and in the seal area as the plug is being removed. Neglect mechanical friction between the plug and its supporting surface.
find (a) the power rating of the electric heater and (b) the temperature rise that the air experiences each time it passes through the heater.
A wall bracket, as shown in Fig. 5.42, is subjected to a pull of P = 5 kN, at 60° to the vertical. The cross-section of bracket is rectangular having b = 3t . Determine the dimensions b and t if the stress in the material of the bracket is limited..
An inventor claims to have developed a power cycle rejecting heat into a cold reservoir at 300 K. If it is claimed that the thermal efficiency is 40%, evaluate the claim if the hot reservoir is at a) 800 K, b) 300 K and c) 600 K.
A radial vortex in water rotates at a speed of 3 radians/sec. The center of the vortex is also moving downstream at a linear velocity of 2 ft/sec. Create a plan-view plot that shows the path line of a fluid particle that rotates at a fixed radius of ..
A rigid insulated tank contains 0.6 kg of air, initially at 200 kPa, 20 C. The air is stirred by a paddle wheel until its pressure is 250 kPa. Using the ideal gas model with Cv = 0.72 kJ/(kg*K), determine, in kJ, (a) the work, (b) the change in exerg..
a point charge causes an electric flux of -750 nmc to pass through a spherical gaussian surface of 10.0 cm radius
a piping system consists of 100 ft of 2-in pipe a sudden expansion to 3-in pipe and then 50 ft of 3-in pipe. water is
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