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Consider a model of a bone with a cemented prosthesis, where the outside radius of the bone is ro, the radius of the medullary cavity is rm, and the radius of the prosthesis is rp. The prosthesis is exactly centered in the cavity. For the case of pure bending, determine how the ratio of the movement carried by the prosthesis to the total moment, Mp/Mtot, varies as a function of rp/rm. How will this change if the cortex is thicker (i.e. if ro/rm increases)?
Block A has a mass of 3 kg and B has a mass of 5 kg. If the system is released from rest, determine the velocity of each block in t=4s. Neglect the mass of the pulleys.
How significant have advances in information and communication technologies since the late 1980's been on how we do business? And how have the major types of businesses that exist changed over this time?
A hydraulic shear applies 2000 lb force to a wedge. It is used to shear plate steel to rough size. The shear has a 1/4 inch thick cutting blade with a 45 degree slope. What is the ideal mechanical advantage of the wedge?
A refrigerator with a COP of 3 removes 1.5 kW from the cold space at -9 °C while rejecting heat to the kitchen at 22 °C.
the 50-kg homogeneous smooth sphere rest on the 30 degree incline A and bears against the smooth vertical wall B. calculate the contact forces at A and B.
an ice chest is constructed of styrofoam k 0.033 wm?c with inside dimensions of 25 by 40 by 100 cm. the wall thickness
Air at 90 kpa and -7 C enters an adiabatic diffuser steadily with a velocity of 180 m/s and leaves with a low velocity at a pressure of 100 kpa. The exit area of the diffuser is 5 times the inlet area. Determine (a) the exit temperature and (b) th..
steam is flowing in a line at 100 bar. it is flashed out through a valve to 1 bar pressure. the temperature of the
Solve for the dynamics of the resulting system for 20 seconds of real time using midpoint method.
a commercial heat pump has energy in to the system at a rate of 60 kw from a thermal reservoir. ifnbspthe power input
For a pump in the basement which must deliver water to a bucket on the floor of the upper mechanical room, what is the minimum pressure in psig you will see at the pump discharge.
Complex loading (bending and compression), A steel chimney is 28m high, 1.4m external diameter, and 20mm thick. It is rigidly fixed at the base and is acted upon by a horizontal wind pressure of intensity 1.
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