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The bucket has weight W. Determine the tension developed in each cord for equilibrium.
Given:
W = 20 lb
a = 2 ft
b = 2 ft
c = 8 ft
d = 7 ft
e = 3 ft
f = a
Determine the specifications (unstretched length and springconstant k) for the elastic cord to be used at a bungee-jumpingfacility. Participants are to jump from a platform 150 ft above the ground. When they rebound, they must avoid an obstacle that ..
The strain in member AB was measured to be 8.9*10-4. If the member is an L3*2 1/2* 1/4 of A36 steel determine the following: a) What is the change in length in inches b) What is the force in the member
A fireman is standing on a hoist and sprays water at a fire. the fire is 35 ft in the x direction and 20ft downward in the y direction. the water flows at 65 ft/s. determine two possible angles theta at which this can be done. assume the angle below ..
The acceleration of a particle is defined by the relationship a=-kx^-2 ft/s^2, where x is in feet and k is a constant. At x(0)=0.1ft, v(0)=0 and at x(1)=1ft, v(1)=10ft/s. Find the velocity at x=5ft.
Using the central difference method and a time step of ?t = 0.02 seconds, find the displacement of the water tower at t = 0.02 and 0.04 seconds.
Calculate the required compressive strength for a concrete mix design if F'c = 5000 psi and data indicate a standard deviation of 600 psi based on 15 tests for a similar concrete mix
a rainstrom lasts for 90 min at a constant intensity of 3.2 in/hr over a five acre parking lot. a detention pond is used to store all of the runoff from the parking lot and cannot be deeper than 2 ft.
A concrete beam that is simply supported sustains a uniform live load of 1.8 kips/ft and a uniform dead load (not including self weight) of 1 kips/ft on a span of 24 ft. Determine the layout for a set of No.3 U-stirrups with Fy=60 ksi and F'c=3.5 ..
Air photos are taken with specified overlap to take advantage of image parallax. Calculate the time interval between air photo exposures if the ground speed of the aircraft is 160km/h, the focal lenght is 50mm,
Property taxes,insurance and storage will run 5%.What is the owning cost for the dozer?Use the time value method to calculate the depreciated portion of the ownership cost.
A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16" radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is know that at the car's top speed the engine is producing 220..
Given that the minimum footing size is 2(m) x 2 (m), design the foundation so that the conveyor system experiences continued operation.
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