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A race boat is traveling at a constant speed V0= 77mph when it performs a turn with a constant radius rho to change its course by 90 degrees. The turn is performedby losing speed uniformly in time so that the boats speed at the end of the turn is vf= 72mph. If the max allowed normal acceleration is equal to 2g where g is the acceleration due to gravity, determine the tightest radius of curvature possible and the time needed to complete the turn.
Steam at 3 MPa,400 degree Celsius is expanded to 30 kPa, 92 percent isentropic efficency.The mass flow rate is 2 kg/s. Determine (a)the power output.
determine the minimum time needed for the plate temperature to reach 140°C.
determine diameter of a circular rod of ductile material with a fatigue strength ,e=280 Mpa. Add a tensile yield strength of 350 Mpa. The member is subjected to a varying axial load from 700 kN to -300kN. Assume Kt=1.8 and factor of safety=2.
determine the headwater depth of a 1000 mm high by 1500mm wide concrete box culvert operating under outlet control
A rigid vessel of capacity 0.6 m3 contains dry saturated steam at 4.0 bar. The vessel is cooled until the pressure is reduced to 2.0 bar, Calculate; a) the mass of steam in the vessel.
A 60 ohm, 40 ohm, and 20 ohm resistor are each connected in parallel across a 120VAC source. What is the total current.
Examine the influence of the vibration on the grain size, microstructure and mechanical properties of aluminium-silicon alloys (Al-Si) during solidification.
the man pulls the boy up to the tree limb by walking backward. if he starts from rest when 0 and moves backward with a
an air conditioner in the airport of timbuktu runs a cooling system using r-410a with a high pressure of 1500 kpa and a
State what the joints are in the system and knowledge of computational kinematics explain what you believe is the procedure to calculate each variable.
The elevator E has a mass of 500kg, and the counterweight at A has a mass of 150Kg. if the motor supplies a constant force of 5KN on the cable at B, determine the speed of elevator when t= 3s, starting from rest neglect the mass of pulleys and cab..
8 x product engineering and design review (week 2 – 12), ~3 pages per item which must contain a brief description of the product then delve into concepts such as materials selection, manufacturing methods, life cycle analysis, recyclability and overa..
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