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A rear-wheel-drive 3000-lb drag race car has a 200-inch wheelbase and a center of gravity 20 inches above the pavement and 140 inches behind the front axle. The owners wish to achieve an initial acceleration from rest of 22 ft/s2 on a level paved surface. What is the minimum coefficient of road adhesion needed to achieve this acceleration? (Assume m = 1.00.)
Determine the velocity of the block just after the projectile emerges. How long does the block slide on the rough surface, after the projectile emerges, before it comes to rest again? The coefficient of kinetic friction between the surface and the..
one structure is made from a si3n4 plate which has a plane strain fracture toughness of 3.6 and is alternatively loaded
refrigerant 134-a flows through a compressor at a rate of 0.125 kgs. the compressor inlet conditions are 140 kpa and
do you think the objects created in the following representation schema are always valid? justify your answers with
The objective of this project is to design an elevator and its electrical drive system for a low rise, 6 story building. The elevator is expected to carry a maximum of 10 people at a time. Your design should give details about the elevator configu..
the vertical load on the hook is 1000 lb. draw the appropriate free-body diagrams and determine the maximum average
The shower head is connected to a pipe with radius 0.80 cm. If the speed of water in the pipe is 3.0 m/s, what is its speed as it exits the shower-head openings?
a liquid r-134-a bottle has an internal volume of. 0.001 m3. initially it contains 0.4 kg of r-134a saturated mixture
At that point, inlet flow rate wt is adjusted so that the level remains constant. However, on this particular day, corrosion of the tank has opened up a hole in the wail at a height of 1 m, producing a leak whose volumetric flow rate q4 (m3/min) c..
a load p 4000 lb acting at a point a of a beam produces 0.25 in at point b and 0.75 in at point c of the beam. find
Using Eq. (3.30), determine the variation of the peak soil friction angle, f9. Estimate an average value of f9 for the design of a shallow foundation. (Note: For depth greater than 20 ft, the unit weight of soil is 118 lb/ft3.)
the density of atmospheric air is about 1.15 kgm3which we assume is constant. how large an absolute pressure will
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