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A man pulls himself up the 15° incline by the method shown. If the combined mass of the man and cart is 100 kg, determine the acceleration of the cart if the man exerts a pull of 250 N on the rope. Neglect all friction and the mass of the rope, pulleys, and wheels
the jib crane is supported by a pin at c and a rod at ab if the load has a mass of 2Mg with its com located at g determine the horizontal and vertical components of the reaction at the pin c
Water flows from a ground storage tank that is 450 feet above a town's water distribution system. The pressure at the entrance of the system must be at least 75 psi and the demand is 1350 GPM.
A) Aluminum ion (Al3+) is present in an industrial wastewater at 3 mg/L. The treatment facility wants to precipitate out the aluminum until there is only 0.2 mg/L remaining. What pH is required to acheive this aluminum ion concentration?
The cable stays AB and AD help support pole AC. Knowing that the tension is 120 lb in AB and 40 lb in AD, determine graphically the magnitude and direction of the resultant of the forces exerted by the stays at A using (a) the parallelogram law, (b) ..
If john borrows $6346.40 now to buy a car (the car does not include the down payment) and makes monthly payments of $220 for 36 months beginning one month from now
Consider a high-rate sedimentation basin with tube settlers. The basin is 120 feet long and 30 feet wide. The length of the basin covered by tube settlers is 90 feet. The water depth is 15 feet.
The pressure in a tire depends on the temperature of the air in atire. When the air temp is 25 C, the pressure gage reads 210KPa. If the volume of the tire is 0.025 m3
Assuming Stokes behavior, calculate the terminal settling velocity in standard air for the following particles: (a). diameter = 10 micrometers, specific gravity =1.2; and (b) diameter = 4 micrometers, specific gravity = 2.0.
Water boils at room temperature of 25 degrees celsius when the pressure is 3.17 kPa (abs). Express this as a vaccum gage pressure (in mmHg) if atmospheric pressure is 101 kPa. Provide details of work to get a good rating.
A store charges 1.25 % interest per month in credit purchases. This is equivalent to: what nominal annual interest rate, effective annual interest rate, and effective monthly interest rate?
A piston-cylinder device contains 0.85 kg R-134a at 263K. The piston is free to move and has a mass of 12 kg and diameter of 25 cm. The atmospheric pressure is 98 kPa. Heat is added to the cylinder until the R-134 temperature = 10 o C.
The system is initially divided in two parts, with 1/3 of the mass at T1 and 2/3 of the mass at T2. The divider is removed and the system eventually attains equilibrium.
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