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the motion of a particle is defined by the relation x= 1.5t^4-30x^2+5t+10. where x and t are expressed in meters and seconds, respectively. Determine the position, the velocity and the acceleration of the particle when t=4s
Discuss the following examples: a) Car overheating b) Personal budget deficit c) Shower too hot or too cold In all the cases discuss first the normal condition and after that the problem condition.
To prevent this high compression load from buckling the copper pipe, a solid steel support of 2 1/2 inch diameter is placed inside the copper pipe. The copper pipe is 8.000 inches long. The steel support is 8.0001 inches (exactly 1 mil = 1/1000 in..
Martin pays rent of $500 per month for the 9-month acedemic year, he is going to travel the world this summer and won't be working. how much must he set aside in his savings account for the 3-month summer to cover his rent for the next year
If the effective stack height of the plant is 100 m, and the ground reflects the SO2 emission perfectly what is the SO2 concentration at a sampling point located 2 m above the ground in the town.
Calculate the ionic packing factor for fcc NaCl. Take the atomic radii for Na and Cl as 0.097 and 0,181 nm respectively.
The double collar B is pin-connected together such that one collar slides over the rotating rod and the other slides over the horizontal curved rod, of which the shape is described by the equation r= 1.5(2-cos)
Vehicles arrive at the booth at a rate of 4 vehicles per minute. The attendent opens the booth and improves the service rate over time following the function u(t)= 1.1 +0.3t, where u(t) is in vehicles per minute and t is in minutes.
Vehicular access to the Toronto Island Airport now involves the use of a small ferry, capable of carrying about 8 automobiles or an equivalent number of trucks, which operates across the 150 metre wide body of water known as the Western Gap
a mass of 2kilogram is projected with a speed of 3m/s.if a plane inclined 20 degrees with the horizontal.after travelling travelling 0.8meters, the mass comes to rest. determine the coefficient of friction and also the speed as the black returns t..
A total of 13,610 kg/h of air at 1 atm abs pressure and 15.6C is to be heated by passing over a bank of tubes in which steam at 100C is condensing. The tubes are 12.7mm OD, 0.61 m long, and arranged in-line in a square pattern with Sp=Sn= 19.05mm.
he oxygen is compressed from 95 kPa, 20 C to 300 kPa, isothermally. Determine the heat transfer assuming (a) the process is reversible, (b) the process is irreversible such that 20% more work is required than the reversible case.
what is the engineering ethics case related to civil engineering with reference and discuss all the engineering ethics issues which covered the "Engineering etics concepte and cases?
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