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A clay ball (m=0.82 kg) is thrown at a metal target (M=1.72 kg) that is suspended from a cable. The ball is released 1.5 m above teh ground at an angle of 32 degrees. There is a completely inelastic collision between the ball and the target at a height of 7.1 m. At collision, the ball is moving horizontally. How far above its hanging location does the target swing?
A siphone generates a flow of 1 ft/sec thru a 1 inch OD, 3/4 ID hose. A) What height difference is needed to generate this flow B) What height for 10 ft/sec C) What for 100 ft/sec
Assume you are an observer standing at a point on the track for a period of 30 minutes and are recording the instantaneous speed of each vehicle as it crosses your point. What is the time-mean speed and space-mean speed for these vehicle
A small chunk of the original sample had a wet weight of 140.9 grams and weighed 85.2 grams after drying. Compute the water content, using the correct number of significant figures.
Twenty years of annual maximum rainfall depths are given below. Determine the rainfall depths to be used for storm structure design for the following annual return periods: 2, 5, 10, 25, 50, & 100 year.
Calculate the force (in Kn) a punch press must exert if it is to punch out a large washer from a strip of 5-mm thick sheet steel with an ultimate shear strength of 400 MPa.
A mason contracted with a general contractor to build an exterior wall from 8-inch CMUs. The wall is 82 feet long and 8 feet high.16The mason must finish the wall in 3 days and gets paid $4 per block.
AGNO 3 is added to a solution containing 0.001 mol Cl - amd 0.001 mol Br- per liter.What are the concentrations of Cl - and Br- remaining when AgCl just begins to precipitate?
Assume that 30% of the ash falls out as bottom ash in the furnace. Calculate the efficiency of an ESP (electrostatic precipitator) required to meet federal new source performance standards
A 30-liter volume of gas at 25 degrees C contains 12 g of methane (CH4), 1 g of nitrogen (N2), and 15 g of carbon dioxide (CO2). Calculate (a) the moles of each gas present, (b) the partial pressure exerted by each gas, and (c) the total pressure ..
When the air temperature is 25°C, the pressure gage reads 210 kPa. If the volume of the tire is 0.025 m3, determine the pressure rise in the tire when the air temperature in the tire rises to 50°C.
The force F is acting on the boom ABC at C points in the direction of the unit vector 0.7071i-0.7071j and its magnitude is 10kN. The boom is supported by a ball and socket at A and cables BD and BE.
Immediately upstream of the treatment plant, the Pine River has an ultimate CBOD of 2 mg/L and a flow of 9 × 105 m3/day. At a distance of 20 km downstream of the treatment plant, the Pine River has an ultimate CBOD of 10 mg/L.
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