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A fighter plane is directly over an antiaircraft gun at time t=0. The plane has a speed V1 of 500 m/s. A shell is fired at t=0 in an attempt to hit the plane. If the muzzle velocity V0 is 1000m/s, how many meters d should the gun be aimed ahead of the plane to hit it? What is the time of impact ?
A batter hits the baseball A with an initial velocity of v0 = 103 ft/sec directly toward fielder B at an angle of 34° to the horizontal; the initial position of the ball is 2.0 ft above ground level. Fielder B requires 0.43 sec to judge where the bal..
at a amusement park there are 180kg bumper cars a b and c that have riders as shown with masses 40 kg 60kg and 30 kg
a storage tank is 40 feet above a river. water is pumped from the river to the storage tank at a rate of 0.095m3s. the
Major overhaul expenses of $5,000 each are anticipated for a large piece of earthmoving equipment. The expenses will occur at EOY four and will continue every three years thereafter up to and including year 13. The interest rate is 12% per year.
If the camshaft rotates at uniform speed of 100 r.p.m.; find the maximumvelocity and acceleration of a valve during raising and lowering.
A cantilever bridge is built out from piers at either end and is to be joined in the middle. Discuss with a numerical example the problem of lining up the two halves of the span if the truss on one side of the roadway is in the sun and that on the..
an air-standard brayton cycle has compressor inlet conditions of 310 k and 98 kpa and turbine inlet conditions of 882
the first accurate mesurements of the properties of high-pressure gases were made by e.h. amagat in france between 1869
Current airbag regulations specify that they must only pass a test designed to protect a 175 pound male who is not wearing a seatbelt. There is currently a discussion of lowering the explosive force by 30%, so that smaller-sized people (including wom..
derive a relationship between partial molar excess enthalpy activity coefficient of species i and temperature. assume
A hot air balloon (approx as a sphere of diameter 50ft) is to lift a basket load of 600lbf. To what temperature must the air be heated in order to achieve lift off?
how much computer memory in bytes would be required to store 10 seconds of a sensor signal sampled by a 12-bit ad
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