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A particle moves along a circular path of radius 300 . If its angular velocity is 2t , where is in seconds, determine the magnitude of the particle's acceleration when = 4 .
find the complete initial and final states for the following processes t p v h u s and phase involving simple
A block and tackle system with nine supporting strands is used to lift a metal lathe in a manufacturing plant. The motor being used to wind the cable in the pulley system can provide 100 lb. of force.
If the efficiency of the turbine in converting the mechanical energy given up by the fluid to the turbine shaft is 89% (nt = 0.89), calculate the friction loss in the turbine in J/kg.
a full revolution press has 100 rpm flywheel rotation. the press is equipped with tow hand trip devices mounted on the
Assuming the pulley is a uniform disk with a mass of 0.31 {rm kg}, find the speed of the block after it has fallen through a height of 0.50 {rm m}.
Knowing that the coefficient of restitution is 0.8 between B and C, and 0.5 between A and B, Determine the velocity of each car after all collisions have taken place.
Show how did you do the maintenance during your workshop
Characterize the three basic materials (metals, ceramics and polymers) in regarding to modulus of elasticity, strength, ductility and coefficient of thermal expansion.
Design a flat roof meeting certain mechanical performance criteria. The basic structure of the roof is a series of rectangular-section 'joists', made from softwood, that span the space to be covered by the roof.
the magnesium alloy modulus of elasticity e 44.7 gpa coefficient of thermal expansion 2610-6oc tube ab is capped with
consider a supersonic wind tunnel with test section mach number of 2 and fixed geometry diffuser designed to operate
the 20 mm diameter steel rod bc is attached to the lever ab and to the fixed support c shown in fig 9. the uniform
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