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Determine the required mass of block A so that when it is released from rest it moves the 5-kg block B a distance of .75m up along the smooth inclined plane in t=2s. Neglect the mass of the pulleys and cords.
For a narrow horizontal rectangular beam of width b and depth h (cross section), determine a) what is the vertical shear stress distribution (tau)xy at each point y along the cross section,
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10-4.
At what depth will water flow in a 10 m wide rectangular channel, if n=0.01, S=0.0015 and Q=9m^3/s
A single screw extruder is being used to process pregelatinized starch. The screw dimensions are as follows: channel width 3 cm, channel height 0.5 cm and screw length 50 cm. The wall velocity is estimated to be 0.31 m/s.
A fully loaded, ocean going container ship is just stable about its longitudinal axis (roll). The ship has a total weight of 155,000 tons, length = 1,600 feet and a beam = 150 feet (assume that it is the shape of a rectangular box). Calculate the ..
An object is held in the air 30m above ground and released. Assume the drag force due to air resistance is given by Fd = 1.0Vy. What is the mass of the object necessary so that it reaches ground in 3s
A 3000 lb vehicle has a drag coefficient of 0.32 and a frontal area of 30 ft2. What is the minimum tractive effort required for this vehicle to maintain a 65 mph speed on a 2% upgrade through an air density of 0.002045 slugs/ft3
CPM Construction plans to buy a truck for $150,000 and sell it for $15,000 at the end of 5 years. The annual operating cost of the vehicle is $60,000. What is the present value of the truck
a) calculate the operational compressive strain this copper specimen is subjected to. b) calculate the maximum strain this copper alloy can sustain without becoming plastically deformed.
determine a) the x, y,z components of that force b) values of angle thetax, thetay, theta z defining the direction of the recoil force. (assume that the x, y, and z axes are directed respectively east, up, and south)
Calculate the pH of a 1-L solution containing 0.01 M sodium acetate after the addition of 3 mL 0.5 M H2SO4
What would the aperture have to be if there were two fractures of equal aperture. For your calculations you can assume that the rock matrix that contains the fracture(s) has zero hydraulic conductivity.
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