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A car tows a 400kg block up a 45 degree incline. The coefficients of static and kinetic friction are 0.6 and 0.4. The car and the driver have a mass of 2000kg. Assuming that the wheels don't slip, what power must the ouput power of the car be to travel up the inlcine at 15m/s? Assume that the efficiency of the jeep's power train is 20%. What power input is required to achieve the required power output?
the beam ab is pin supported at a and supported by a cable BC. determine the resultant internal loadings acting on the cross section at points d and e.
aif a rod of 1025 steel 0.5 m 19.7 in long is heated from 20 to 80 deg c 68 to 176 deg f while its ends are maintained
You are asked to measure the rate at which waste gases are being discharged from a stack. The gases entering contain 2.1 % carbon dioxide. Pure carbon dioxide is introduced into the bottom.
a construction vehicle of mass 30 mg is used to unload sand in a horizontal line through a port on the bottom of the
solid carbon reacts with steam to produce carbon monoxide and hydrogen. given an hc atom ratio of 11 and an oc atom
a wire of radius ri is coated by a process described above. it is fed to a reservoir filled with a newtonian fluid with
lf the 50-kg crate starts from rest and achieves a velocity of v 4 ms when it travels a distance of 5 m to the right
Determine the turbine inlet temperature, the cycle thermal efficiency, and the back-work ratio of this cycle.
determine the power of a pump if 2000 kgmin of water is compressed from 100 kpa to 1 mpa. the water density can be
two kg of saturated liquid water at 1 bar is compressed to 25 bar and 100degc in a water pump. determine the change in
the work on a system with a mass 100 lbm is known to be 10 btus. if there is no change in potential energy and the
a temperature measurement device with a time constant of 0.15 seconds outputs a voltage that is linearly proportional
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