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The position of a car traveling between two stop signs along a straight city block is given by r=[9t-(43/2)sin(2t/5)]m, where t denotes time and 0s<t<17.2s (signs should be less than or equal to). Compute the displacement of the car between 2.0s and 3.8s as well as between 11.1s and 12.6s. For each of these time intervals compute the average velocity.
change in r1=?
change in r2=?
Vavg of 1=?
Vavg of 2=?
This problem involves a cylinder falling inside a pipe that is filled with oil. The small space between the cylinder and the pipe is lubricated with an oil film that has viscosity ?
1. a tensiometer is used to measure a compacted soil in the field that has a matric suction of 200 kpa under
The tank is insulated on the outside and the partition between the two sections is also an insulator. The partition can withstand a pressure differential across it of 400 kPa, before rupturing.
A jet aircraft flies at a speed of 600 mph at an altitude of 40,000 ft. The atmosphere is the standard atmosphere. (1) What is the air pressure outside the aircraft (2) What is the Mach number of the flow around the aircraft
What are the expected value and standard deviation of the difference between morning and evening waiting times on any single day? E. What are the expected value and standard deviation of the difference between total morning waiting time and total eve..
Steam expands in an turbine operating in steady-state conditions with a mass flow rate of 40,000 kg/hr. The steam enters the turbine at 8MPa and 500 C, and exits as a saturated vapor at 40 kPa. If the power generated by the turbine is 8.2 MW, what is..
Determine the softening point of bitumen within the range 30 to 157°C by means of the Ring-and-Ball apparatus - discussion for softening point of bitumen 7.5oC
Determine the depth of a French drain (saturated depth) if the width is 3.0 feet, the effective permeability of the aggregate is 2000 ft/day, and the rate of discharge for 100 feet of trench is 1000 feet^3/day. The trench slope along the flow line is..
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
What would be the Horizontal and vertical component from this acting force see diagram
Determine the allowable moment about the horizontal neutral axis that a timber beam with nominal size 50 X 100 can resist without exceeding the allowable stress of 10 MPa.
what are two or three quality management tools used in data collection? what types of quality management tools do you
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