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1. A baseball is thrown by a pitcher at 95 mph through standard air. The diameter of the baseball is 2.82 in. Estimate the drag force on the baseball.
2. A logging boat is towing a log that is 2 m in diameter and 8 m long at 4 m/s through water. Estimate the power required if the axis of the log is parallel to the tow direction.
You are given a sheet of steel with a modulus of rigidity is G = 80.8 Gpa, a length L = 1 m, width w = 100 mm, and thickness t = 1 mm. You are asked to design a shaft cross-section by shaping the given steel sheet. The machine that is available to yo..
Compare the moment capacity of the beam in part a with that shown in the figure part b which has two 4 in. ×12 in. joists (nominal dimensions) attached to a 1/4 in. × 11.0 in. steel plate
consider an ideal gas contained in a cylinder that can do work by pushing against a piston which has a surface area of
an 18-m-long steel wire of 5-mm diameter is to be used in the manufacture of a pre-stressed concrete beam. it is
A rigid tank contains 1 kmol of Ar gas at 220 K and 5 MPa. A valve is now opened and 3 kmol of N2 gas is allowed to enter the tank at 190 K and 8 MPa. The final mixture temperature is 200 K. Determine the pressure of the mixture, using
heat in the amount of 100 kj is transferred directly from a hot reservoir at 1200 k to a cold
Two-element array. A wire antenna is placed perpendicularly above the ground. The wire is 3 m long and is used in conjunction with a transmitter which operates at 100 MHz.
a 1.5 in-diameter bar has been machined from a steel 1050 su 100ksi sy 84ksi. this part is to withstand a fluctuating
A piston-cylinder device initially contains 50L of liquid water at 40 degrees C and 200kPa. Heat is transferred to the water at constant pressure until entire liquid is vaporized.
Assume that the bolt loads a square cross-section of the joint 1.625 = 1.625 in.2 in area and that the joint is loaded along a loading plane defined by n = 0.7. What is the radius of gyration (RG) of this joint?
descriptionthe program for this assignment comes from a research project i did while i worked at kumed. a researcher
Give the advantages and drawbacks of metal matrix composites over polymer matrix composites.
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