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The "Save the Skeet" foundation has requested a more humane skeet launcher be designed. While they have not yet succeeded in passing legislation to prevent the wholesale slaughter of these little devils, they are concerned about the inhumane aspects of the large accelerations imparted to the skeet as it is launched into the sky for the sportsperson to shoot it down. The need is for a skeet launcher that will smoothly accelerate the clay pigeon onto its desired trajectory. Design a skeet launcher to be mounted upon a child "little red wagon." Control your design parameters so as to minimize the shaking forces and torques so that the wagon will remain as nearly stationary as possible during the launch of the clay pigeon.
determine the smallest horizontal force required to lift the 260- crate. the coefficient of static friction at all
find the ratio of the earths translational k.e to its daily rotational k.e. assume the orbit about the sun is circular
A rocket is launched vertically and reaches its maximum height hmax. What are its velocity, v(t)= (dh/dt) , and height above ground h(t) as a function of time t >_ 0(greater than or equal to) before it lands on ground (h = 0)?
a16 lb bowling ball is rolling with a velocity of 20 fts toward a ramp that is inclined at 20 degrees to the
The two purposes of amplification for digital systems are (i) to improve signal-to-noise ratio and (ii) to make good use of the dynamic range of the digitizer; in other words, to ensure the best resolution possible.
calculate the velocity at the exit of a diffuser when air at 100kpa and 20 degree c enters it with a velocity of 500ms
Determine the change in mass flowrate through the duct associated with the 50% reduction in length. The average friction factor remains constant at a value of 0.03.
a one dimensional wall of material kw10wmk is 50 mm thick with uniform heat generation qlsquolsquolsquo5106wm3. the
if the coefficient of static friction between the crate and ground is 0.3 determine the minimum coefficient of static
a steam boiler heats liquid water at 200 ordmc to superheated steam at 4 mpa and 400 ordmc. coal fuel from utah which
A flat disk of outer radius b-125mm and inner radius a=25mm is shrink-fitted onto a shaft of radius 25.05mm. Both members are made of steel with E=200Gpa, v=0.3, and p=7.8 KN.s2/m4. Determine (a) the speed in rpm at which the interface pressure becom..
Inside a rigid container, a mixture of three ideal gases with mass fractions of 30% N2, 50% O2 and 20% CO2 has a total mole of 10 kmol. What's the molar mass of the mixture
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