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1. An aircraft flies from London to New York at a speed of 800 km/h. Assume New York is straight west of London at a distance of 5000 km. Use
a Cartesian system of coordinates, centered in London, with New York in the negative x direction. At the altitude the airplane flies there is a wind, blowing horizontally from north to south (negative y direction) at a speed of 100 km/h.
(a) What must be the direction of flight if the airplane is to arrive in New York?
(b) What is the speed in the London-New York direction?
(c) How long does it take to cover the distance from London to New York?
a child drops a rock into a well and hears it splash into the water at the bottom exactly 2 seconds later. if she is at
In a steam power station, steam flows steadily through a 0.3 diameter pipeline from the boiler to the turbine. In the boiler, the steam is 5 MPa and 400 degrees C while reaching the turbine it changes to 2MPa and 300 C. There is a loss of heat about ..
you have tested bearings for a particular machine. this resulted in a mean of 40570000 cycles with a standard deviation
a four cylinder 2.4 liter engine operates on a four stroke cycle at 3200 rpm. the compression ratio is 9.41 the
Estimate the temperature of the hottest point in the billet after five minutes of quenching. Neglect end effects; make the calculation for a cylinder of the given diameter but of infinite length.
What is the total rate of heat transfer to the air? What is the pressure drop associated with the airflow?
a door 1m wide and 1.5 m high is located in a plane vertical wall of a water tank. the door is hinged along its upper
Use some type of numerical approximation technique like RungeKutta, Euler's method, Midpoint Rule, some type of numeric series, etc.,
The data listed below are claimed for power cycles operating between hot and cold reservoirs at 1000 K and 400 K, respectively. For each case determine whether such a cycle is in keeping with the first and second laws of thermodynamics.
For some metal alloy, a true stress of 345 MPa (50040 psi) produces a plastic true strain of 0.02. How much will a specimen of this material elongate when a true stress of 417 MPa (60480 psi) is applied if the original length is 470 mm (18.50 in.)? A..
A constant force of F is applied to a block of weight w located on an inclined surface with angle of and friction coefficient u. A spring is acting on the block with constant K. if initially spring was compressed by distance d. Find velocity of block..
a 45 wt pb-55 mg alloy is rapidly quenched to room temperature from an elevated temperature in such a way that the high
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