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At an angle of α=30°with the vertical, a 5kg sphere is suspended on a string of length .8m with a initial velocity of 1.2m/s, it colides with wedge B. ε=.7 between the .9kg wedge and sphere A. A spring is attached to wedge B at the opposite end from where the sphere collides with B and has k=500N/m, angle of wedge is θ=20° with the vertical. Find the velocity of sphere A and wedge B immediately after impact.
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)
You are a farmer. You plan to supply to your fields using water from a lake that is 500 ft above your fields using a 3 inch smooth plastic pipe, 1500 ft long. How much flow rate will you get? Initial guess: f=0.03, no pump.
A 2 m high sandy fill material was placed loosely at a relative density of 47%. Laboratory studies indicated tht the maximum and minimum void ratios of the fill material are 0.92 and 0.53, respectively.
An emission control system for a new car costs $800 and reduces NO_x emissions from 0.4 g/mile to 0.23 g/mile. Assume the car is driven 10000 miles per year, and the life of the emissions control system is 11 years with zero scrap value.
A rod consisting of two cylindrical portions AB and BC is restrained at both ends. Portion AB is made of steel (E=29x10^6 psi, α=6.5x10^-6) and portion BC is made of aluminum (E=6.5x10^-6 psi, α=13.3x10^-6).
The tank has an inner diameter of 1.5 m and a wall thickness of 18 mm. If the pressure in the tank is p=1.20MPa, determine the force in the 16 bolts that are used to attach the cap to the tank. Also, specify the state of stress in the wall of the ..
It rains 3.0 in. on a 20.0 acre watershed. What is the volume of rainfall excess if 30% of the watershed area is a lake and infiltration on the soil is estimated at 1.0 in. What is the total volume of runoff
A rectangular channel carries a discharge of 2.00 m3/sec per meter of channel width over a weir crest that is 1.4 m in height. The energy grade line upstream of the weir measure 2.7 m above the channel bottom
A water treatment plant treats a continuous flow rate of 50,000 m^3/day and plans to build a 10,000 m^3 tank to house an additional treatment process. What will be the steady-state effluent concentration of an ideal CSTR
An energy efficiency project has a first cost of $300,000, a life of 10 years, and no salvage value. Assume that the interest rate is 9%. The most likely value for annual savings is $60,000.
The ball is released from position A and drops 0.75m to the incline. If the coefficient of resistitution in the impact is e=0.85, determine the slant range R. See Engineering Mechanics Dynamics meriam and Kraige 7th edition number 3/255 for figure
A pipeline terminates in a nozzle of outlet diameter = 0.15 m. The free jet from the nozzle is deflected through 120º by a vane as shown. Water flow rate through this pipe is 0.25 m3/s. Ignoring friction, find the force exerted by the jet on ..
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