Find the original length of cable before weight was applied
A two ton (4000 Ibf) weight is suspended on a 30 foot long, half inch diameter steel cable. What was the original length of the cable before the weight was applied? The modulus of steel is 29,000 ksi.
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If the allowable shear stress is 8,000 psi and both shafts are solid, calculate the required diameter of the belt drum shaft.
Give all answers to four decimal places. There are four different blood types that people have A, B, AB and O. We will take a random sample of 15 people and conduct a test of H0: p = 0.45 vs Ha: p < 0.45 to determine whether there is evidence t
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle as it moves through the given displacement.
A closed system contains 2-kg of air undergoes an isothermal process from 600 kPa and 200oC to 80 kPa. Determine the initial volume of this system, the work done, and the heat transfer during this process.
Some nitrogen is allowed to escape until the pressure in the tank drops to 400 kPa and the temperature is 20°C. Determine the amount of nitrogen, in kg, that has escaped.
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A small package is fired off Earth's surface with a speed v at a 45° angle.It reaches a maximum height h above the surface, h = 6370 km, a value equal to Earth's radius itself. What is its speed when it reaches this height?
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