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A person(A) is trying to keep his balance while on a sled(B) that is sliding down an icy incline. the weight of A and B are Wa=181lbs, Wb=50 lbs. Determine the minuimum coeffeicent of static friction between A and B required for A not to slide with respect to B if θ = 23. Friction between the sled and the incline is negligible.
air with a dry bulb temperature of 22c and a relative humidity of 60 percent is contained in a
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One side of a right triangle is known to be 45 cm long and the opposite angle is measured as 30?, with a possible error of 1?.
an acher shoots an arrow vertically upward. if the arrow ascends to a maximum height of 100 feeta find the value of
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Assuming the plant operates on the ideal vapor-compression cycle using refrigerant 134-a between the pressure limits of 120 and 700 kPa, determine
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