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the natural water of a sample taken from a soil deposit was found to be 11.5%. it has been calculated that the maximum density for the soil will be obtained when the water content reaches 21.5%. Compute how many grams of water must be added to each 1000g of soil( in its natural state) in order to increase the water content 21.5 %.
Given: acceration = -k*sqrt(v) and k is a cosntant when x=0, v=81 m/s, t=0 when x=18 m, v=436 m/s determine: a) velocity of particle when x=20 m b) the time required for the particle to come to rest
Determine the air pressure at the top of a 300 m high building by assuming the density of air stays constant at the z = 0 value. Now compute the pressure assuming the density of the air varies. Is there a significant difference.
The blower on an air conditioning unit produces 80 cubic feet per minute of air in the ductwork. What is the air flow in cubic meters per hour
While the swing bridge is closing with a constant rotation of 0.5 rad/s, a man runs along the roadway such that when d = 10 ft he is running outward from the center at 5ft/s with an acceleration of 2 ft/s^2, both measured relative to the roadway.
The crate has a wieght of W = 350lb., and the coefficients of static and kinetic friction are us = 0.3 and uk = 0, respectively. Determine the friction force on the floor. Theta = 45 degrees and P = 100lb.
In an attempt to estimate the speed of a vehicle just before it hit a traffic signal pole, a traffic engineer measured the length of the skid marks made by the vehicle and performed trial runs at the site to obtain estimate if the coefficient of f..
A lunar module weights 1500 kg on earth where g = 9.75 mps2. On the surface of the moon where g = 1.70 mps2, what will be the force in Newtons required to accelerate the module at 10 mps2?
A tub of a washing machine is rotating at 50 rad/s when the power is turned off. If it takes 15s for the tub to come to rest, determine (a) the constant angular deceleration, and (b) the total number of revolutions the tub makes.
What superelevation rate would you recommend for a roadway with a design speed of 100 km/hr and a radius of curvature of 500 m? Assume f = 0.11.
It is required to dewater a construction site 80 m by 80 m. The bottom of the construction will be 1.5 m below the initial water surface elevation of 90 m.
Given a sand with a moisture content of 10%, how much water needs to be added to bring the sand to a moisture content of 20%
Using the ADA code, what is the allowable minimum length of the ramp base if base if it is 2 ft high and the code is 1:12
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