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A person (mass m1) who is kneeling on a plywood panel (mass m2) wishes to push himself and the panel away from the right-hand wall. Determine a condition on µ,2 which would allow him to do this, as opposed to his slipping relative to a stationary panel. The two applicable coefficients of static friction are µ,1 and µ,2. Evaluate µ,2 for m1 = 80 kg, m2 = 10 kg, and µ,1 = 0.60.
the net contents in ounces of canned soup is a random varialbe with probability distribution fx 4x-11.75 11.75 lt x lt
a diffuser in a jet airplane intake system is instrumented to give readings of stagnation temperature and stagnation
a pelton wheel is used to produce hydroelectric power. the average radius of the wheel is 1.83 m and the jet velocity
a manufacturer makes 7900000 memory chips per year. each chip takes 0.4 minutes of direct labor at 8hr. the overhead
Nitrogen (N2) gas at 100 kPa and 298 K enters a compressor steadily with a mas flow rate of 2 kg/s. The nitrogen leaves at 800 kPa and 580 K. Asume the compressor is well insulated. Do NOT assume the specific heats of the nitrogen as constant or a li..
A 1000 Kg machine has rotating unbalance of 0.1 kg-m. It operates a speed of 500 to 750 rpm. What is the maximum isolator stiffness of undammed isolator that can be used to reduce the transmitted force to 300 N at all operating speeds?
the position of a point p on a line is given by the equation x t sinpi t2. the point starts moving at t0. find the
ten kilograms of water at saturated liquid phase fills in a piston-cylinder device volume can change at 50oc. the
how would you use a pulley system with one rope to pull at a single item at two points simultaneously?the free ropes of
a particle is moving along a straight line and has an acceleration of kv2 ms2 where v is the velocity of the particle.
refrigerant-134a is being transported at .1kgs through a teflon tube of inside diameter di 25mm and outside diameter
a gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three processesprocess 1-2
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