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Determine the acceleration of the initially stationary 20-kg body when the 50-N force P is applied as shown. The small wheels at B are ideal, and the feet at A are small.
Using a forked rod, a smooth cylinder C having a mass of 0.5 kg is forced to move along the vertical slotted path r = 0.5? m, where ? is in radians. If the angular position of the arm is ?
Estimate the velocity with which you would contact the ground if you jumped from an airplane at an altitude of 500ft and a) air resistance is negligible, b) air resistance is important, but you forgot your parachute, and c) you use a 25-ft-diameter p..
Given that the max shear strength of the the concrete shore is 10 kPa and the engineer requires a F.S. of 2.5, find the required are of concrete for the thrust block.
What are the reasons for obtaining the Professional Engineer (PE) license for civil engineers; and what are the requirements for continuing professional development as a part of the PE license in Idaho.
A sanitary landfill has an available space of 125,000 m2and a depth of 10 m. 765 m3 of solid waste aredumped at the site 5 days per week. The waste is compacted totwice its delivered denisty. Esimate the expected life of theland-fill.
We have a good sense of the fact the increased accuracy comes at a very increased price. Discuss 2 elements of an expensive GPS REC in relation to an inexpensive GPS REC.
A sky diver with a mass of 75 kg jumps from an aircraft. The aerodynamic drag force acting on the sky diver is known to be Fd = kV^2, where k = 0.228. Determine the maximum speed of the free fall for the sky diver and the speed reached after 100 m..
A motorist traveling at 55 mph on an expressway intendeds to leave the expressway using an exit ramp with a maximum allowable speed of 30 mph. At what point on the expressway
Viscous flow in a pipe is to be tested in the laboratory using both air and water. Assume that the velocities (Vair and Vwater) are such that the air flow is dynamically similar to the water flow. Determine the ratio of the velocities, Vair/Vwater, i..
A wastewater is discharged to a stream with a reoxygenation constant of 0.5 day-1 and a velocity of 1 m/sec. The oxygen saturation concentration in the stream is 11 mg/L.
The discharge of the river at the basin outlet is measured at an avarage of 650 cfs. assuming that the charge in storage for the system is essentially zero, estimate the ET losses for the area in inches and centimeters for the year
The mean anual rainfall depth over a 280 km2watershed is 725 mm. What is the mean annual volume of rainfalling on the watershed in m3 ?
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