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Rotor blades of a helicopter are of radius 5.2m and rotating at a constant angular velocity of 5 rev/s. The helicopter is flying horizontally in a straight line at a speed of 5m/s and an acceleration of .5m/s^2.. Determine the velocity and acceleration of point A, which is the outermost tip of one of the blades (with respect to ground) when the angle is 0,90,and 180 degrees from the tail (so 0 degrees the blade would be facing opposite of the front of the helicopter, and 180 would be horiztonal with the helicopter).
two blocks a and b are initially at 100c and 500c respectively. they are brought together and isolated from the
at steady state a refrigeration cycle removes 18000 kjhr of energy by heat transfer from a space maintained at -40oc
show work to prove the following problem an experimentalist claims to have raised the temperature of a small amount of
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A train accelerates uniformly along a straight track and passes three trackside markers. The distance between the first two markers is equal to 0.25 km and between the second and third the distance is 0.4km
a truck is on a 30 degree incline and accelerating uphill at 2 ms2. the trailer of the truck is 2 meters long and 1
consider a steam pipe of length l 9 m inner radius r1 5 cm outer radius r2 6 cm and thermal conductivity k 12.5
We're asked to determine the deflection of a beam location for a 2000N load. However the force is directed up the corner NOT centroid.
in the recent years the united states produced 50.8 percent of its electricity in the amount of 1.6181012 kwh from
a steel railroad track es200 gpa as11.7x10-6oc was laid out at a temperature of 6oc. determine the normal stress in the
the mean solar flux at the earths surface is 2.00 jcm-2min-1. in a nonfocusing solar collector the temperature can
air flow along a length of a 50x50cm square heated flat plate is in a large room the plates surface is at a uniform
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