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A football player releases a ball with an initial velocity 80 ft/s at an angle 35 degrees above the horizontal. Determine the radius of curvature of the trajectory and the time rate of change of the speed 2s after release.
carbon dioxide enters an adiabatic diffuser at 220 ms 80 kpa and 127 degc at a rate of 1.5 kgs. if the carbon dioxide
the 20 kg mass is released from the position shown and falls on the linear spring k 30000 nm. use conservation of
a closed fricitionless piston-cylinder assembly contains 4 lbm of water. beginning with an initial volume 10 ft3 the
superheated steam at 120 bar and 520c leaves the steam generator of a vapor power plant and enters a turbine with an
a truck traveling at vo 60 mph when the driver applies the brakes to come to stop the deceleration of the truck is
10 kg of water in a piston-cylinder arrangement exists as saturated liquidvapor at 100 kpa with a quality of 50. it is
a 400 gallon cylindrical tank is filled with water. a valve is opened at the bottom of the tank. a five- gallon jug
a heat engine whose thermal efficiency is 40 percent uses a hot reservoir at 700 k and a cold reservoir at 280 k. a
the wall of a cold storage consists of three layers- an outer layer of ordinary bricks 25 cm thick a middle layer of
Also, compare with the efficiency of an Otto cycle operating with the same maximum pressure.
the coefficients of static friction and kinetic friction 0.4, 0.30 between all surface of contact. determine the force p for which motion of the 30kg block is impending if cable AB is attached is shown and removed.
consider a flash chamber operating at steady state as shown in the figure below. refrigerant 134a enters the chamber at
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