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If a particle's position is described by the polar coordinates r = ( 2 sin 2u) m and u = ( 4t) rad, where t is in seconds, determine the radial and tangential components of its velocity and acceleration when t = 1 s.
A plane can fly 299 mph in still air. If it can fly 180 miles downwind in the same amount of time it can fly 119 miles upwind, find the velocity of the wind.
hot water is pumped through a plate heat exchanger. the hot water side of the heat exchanger consists of 16 plates of
a 10-lb block is attached to an unstretched spring of constant k12lbin. the coefficients of static and kinetic friction
a circular specimen of mgo is loaded using a three point bending mode. compute the minimumnbsppossible radius of the
A magnetic pickup is used to detect the shaft speed of a turbocharger. A standard hexagonal nut is used to excite the pickup. If the shaft is turning at 50,000 rpm, how many positive impulses will be counted per second?
Cooling/Dehumidification of an air stream, A 1000 m3/minute air stream at atmospheric pressure is at a temperature of 82.2oC and a humidity of 60%. We want to cool the air + water vapor to 8.9oC to condense the water vapor.
a rankine cycle is to drive an electric generator to produce 600 mw of electricity. the generator is 95 efficient.the
Air in piston/cylinder at 200 kPa, 600K is expanded in a constant-pressure process to twice the initial volume (state 2). At this point, the piston is locked with a pin and heat is transferred to a final temperature of 600K. Find the work and heat..
Using the data in Problem , Meredith and Smunt Manufacturing expects sales of pumps to grow by 10% next year. Compute next year's sales and the sales for each quarter.
Write a term paper on Tooling design for composite manufacturing - how tooling is designed for different applications to make composite airplane parts and such.
a rigid tank with a volume of 25 m3 contain 15 kg of saturated liquid-vapor mixture of water at 75 ordm c. now the
a thin metal plate is insulated on the back and exposed to solar radiation on thenbspfront surface. the exposed surface
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