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1.The velocity of the 170 g hockey puck is m/s. Assume that 200 g is the equivalent mass of the stick concentrated in the blade which contacts the puck. The coefficient of restitution of between puck and blade is 0.6. Find the velocity of the blade of the stick, vs to send the puck to the goal.
2.A woman is pulling a suitcase by exerting a force 40N at an angle of 20 degrees above the horizontal. The suitcase has a mass of 15kg, and a constant friction of 15N opposes the motion. She starts with an initial speed of 0 and moves the suitcase a distance of 20m. Find the speed of the suitcase at the end of the path.
For the eccentric shear loading of the accompanying figure, 7/8 inch diameter A325 bolts are used in two vertical lines in a bearing-type (A325-X) connection. The loading is 10 kips dead load and 30 kips live load.
Fixed GPS broadcast stations enable users to make differential measurements to other points whose positions are needed. In the US, there are two such networks two such networks of broadcast stations, name one (blank)
Water is at 9000 kPa and 300 degrees celcius and flows through a partially open valve. Pressure immediately after the valve is measured to be 600 kPa. Calculate the specific internal energy of the water leaving the valve
If the final consolidation settlement is expected to be 1.0m, how much settlement has occurred when the time factor is 0.2 andwhen it is 0.7?
Use input values of epsilon (B1), pipe radius (B2), and Reynolds number (B3) to estimate "f" and place these in the same cells . Display the final answer in a message box and round to five figures. Use a short cut key of Ctrl+g
he concentration of carbon in an iron-carbon alloy is 0.15 wt%. What is the concentration in kilograms of carbon per cubic meter of alloy
If the water temperature is 70 degrees C (vapor pressure of water at 70 degrees C is 31.2 kPa absolute), and the pressure in the pipeline is 275 kPa, what is the maximum flowrate which will occur without cavitation
a simple beam with a pin support at A on the left side of my beam, and a roller connection 20 feet away on the far right side of the beam labeled C, with the midspan point (10 feet) labeled B.
Communication satellites are placed in a geosynchronous orbit i.e in a circular orbit such that they complete one full revolution about the earth in one sideral day (23.934h), and thus appear stationary with respect to the ground.
An intersection approach has three lanes, permitted left turns, and 6% left-turning volume with a through vehicle equivalent of 5.0 tvu/left turn. The saturation flow rate for through vehicles under prevailing conditions is 1,700 veh/hg/ln.
A wastewater treatment plant has a flow of 30 mgd. The influent BOD is 250 mg/L. Assume that 30% of the BOD is removed in the primary clarifiers. The plant is designed to carry 3,000 mg/L of VSS in the aeration basin.
The initial schedule called for 500 feet of pipeline to be installed each week, with the total construction cost projected to be $25 million. After 8 weeks, 4750' of pipeline has been installed at a cost of $11.25 million.
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