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a solid 60-mm cold-rolled brass (39GPa) shaft that is 1.25m long extends through and is completely bonded to a hollow aluminium (G=28GPa) tube. Aluminium tube (1) has an outside diameter of 90mm, an inside diameter of 60mm, and a length of 0.75m. both the brass shaft and the aluminium are securely attached to the wall at A. When the two torques are applied to the composite shaft, determine: the maximum shear stress magnitude in aluminium tube (1), the rotation angle of joint B and c
Design a flat roof meeting certain mechanical performance criteria. The basic structure of the roof is a series of rectangular-section 'joists', made from softwood, that span the space to be covered by the roof.
Draw the block diagram of the uncontrolled seat Plot the open loop displacement response of the uncontrolled seat to a step input
Cracks propagate when the stress intensity factor exceeds a critical value and describe the fracture behaviour of the insulation tape loaded with a small crack.
Determine the velocity of the airplane required for pilot to experience weightlessness at the top of the circular path.
Determine the time taken for the crate to come to a rest and the distance travelled if the coefficient of dynamic friction is 0.4
determine the time needed for the velocity to become v=vf. initially the particles falls from rest.
SEM212 - Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness.
Calculate the velocity v of the collar as it hits the stop at B if it is elevated from rest at A by the action of the constant 40-N force in the cord. The cord is guided by the small fixed pulleys.
Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is
engine B is supercharged with after cooling and has cylinder inlet condition of 80c and 130 k pa to avoid knock problem it is desirable to have the air-fuel temperature at the start of combustion in engine B to be the same as in engine A calculate..
Motor coming to rest, A motor is running at 12 rpm and the switch is flipped and cuts the power. The rotor weighs 75 lbs.
Design a bridge that will withstand 4 fully loaded semi-trailers
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