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Write a program to solve Problem 3.123 for a range of initial velocities. Let the car mass and final velocity be input variables.
Problem 3.123
A car with mass 1275 kg is driven at 60 km/h when the brakes are applied quickly to decrease its speed to 20 km/h. Assume that the brake pads have a 0.5-kg mass with a heat capacity of 1.1 kJ/kg K and that the brake disks/drums are 4.0 kg of steel. Further assume that both masses are heated uniformly. Find the temperature increase in the brake assembly.
The gate is rectangular with a horizontal width of 2m perpendicular to the paper. For a depth h = 3m of water, calculate the required force exerted by the hydraulic cylinder to keep the gate just closed.
many years ago well-known architect frank lloyd wright nbspdesigned a mile-high skyscraper which has never been built.
Determine the rate at which heat is added in the boiler, the power required to operate the pumps, the net power produced by the cycle, and the thermal efficiency.
The cars were loaded 6 at a time, and once all 36 cars were full, the wheel made a complete rotation at constant angular speed in about 2 min. Estimate the amount of work that was required of the machinery to rotate the passengers alone
Wrought iron pipe is 5 cents more than galvanized pipe. The headloss per meter for wrought iron pipe (.02 m diameter) hL= 0.087m for (0.15 m diameter) hL= 0.387m. The headloss per meter for galvanized iron pipe
A town is installing a new 10” main to carry drinking water. The only section remaining to be installed is a segment through the middle of town. However, the excavators discover an archaeological site. The town decides to split the main into two sect..
The preheaded waste gas stream of 4,000 ACFM is entering a thermal oxidizer. The waste gas stream temperature is 1000 F. How much natural gas is needed to incinerate this gas stream at a temperature of 1500F
A canal is constructed parallel to a river 600 m away both fully penetrating an unconfined aquifer of coarse sand and fine gravel as shown in the illustration below. The aquifer is subject to an average infiltration of 2.3 m/year
CE 501 Hydraulics for Environmental Engineers - Calculate the total head loss for water (25°C) flowing at 100 m3/hr as shown in the following figure. The total flow length is 250 meters and the pipe is 15-cm diameter cast iron pipe.
determine the width of the flume to be used such that the depth of flow immediatly upstream of the throat under design conditions is 1 m. By what percentage is the capacity of the flume reduced if the downstream depth is 0.85m
The small pulley attached to the block has negligible mass and friction. (Suggestion: First establish the kinematic relationship between the accelerations of the two bodies.)
An 1100 ft. straight line route survey, which had PI's at3+81.27 (I = 12o30') and 5+42.30 (I = 10o56'), laterhad 600 ft radius simple curves inserted at each PI. Computethe following: a)Curve data for each curve: Da, T, L, LC, E, and MO
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