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while designing a shock absorbing bumper for a 5-mg rail car the spring used for the bumper follows a nonlinear
1an electron is released from rest at a perpendicular distance of 99 cm from a line of charge on a very long
a wheel rolls to the right with an angular velocity of 2 rads while slowing down at a rate of 3 rads2 knowing the wheel
select an st shape to be used as a 20-ft long tension member to resist the following service loads dead load38kips live
use lrfd and select an american standard channel shapefor the following tensile loads dead load54 kips live load 80
an alloy has a yield strength of 41 ksi a tensile strength of 57 ksi and an elastic modulus of 16 x 106 psi a
to avoid the salinization of soil in a farming area parallel drainage canals are to be installed to maintain the water
a company produces two kinds of septic tanks type a and type b each type b tank takes twice as long to produce as a
a 15-lb ball that can slide on a horizontal frictionless surface is attached to a fixed point o by means of an elastic
1at the end of a 06-m diameter pipe the pressure is 270 knm2 the pipe is connected to a 03-m diameter nozzle if the
suppose a specialty steel company receives an order for 200 tons of steel containing at least 3 percent nickel and 2
in a water table aquifer bounded on the ends by rivers the hydraulic conductivity is 50 mday the hydraulic heads at x
an above ground pool needs to be drained the drained water will be used to irrigate a garden and some trees at the
if a large pool of water was rotating the same speed as an amusement ride how far would the surface of the water rise
an oil storage area abandoned 19 yrs ago had oil spilled on the ground and saturated the soil at a concentration of
you are asked to design a horizontal curve for a two-lane road the road has 12-ft lanes due to expansive excavation it
a permeability test was run on a cylindrical soil sample with a length of 175 mm and a diameter of 75 mm after 90
1a turbine expands to a pressure of 10 kpa and a quality of 094 determine the temperature t and the specific volume at
a 25-mm diamenter shaft is pulled through a cylindrical bearing as shown the lubricant that fills the 03-mm gap between
1a 20m-wide strip at a depth of 1 m in a stiff clay carries a wall load of 425 knm the saturated unit weight of the
a plate is pulled upward from a pool of liquid with velocity v entering a thin liquid film on the surface of the plate
water enters the lock of a ship canal through 180 ports each port having a 2 ft by 2 ft cross section the lock is 900
a circular footing of diameter b is expected to carry a column load with some eccentricity the moment of inertia of the
1if the force exerted on cable ab by the motor is f 10032 n where t is in seconds determine the 50-kg crates velocity
when a pesticide comes into contact with skin a certain percentage of it is absorbed the percentage of the pesticide