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A particle with a mass of 0.5 kg has a velocity of 10 m/s in the x-direction at time t = 0. Forces F1 and F2 act on the particle, and their magnitudes change with time according to the graphical force-time history shown. The motion occurs in the horizontal x-y plane. Determine the velocity V2 of the particle at the end of the 3-s interval.
A soil borrow material in its natural state in the ground has a unit weight of 118pcf. Its natural water content is 7%. What is the dry unit weight of this material?
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.
The void ratio of soil in the borrow pit is 1.12. Estimate the volume of soil (cubic meters) that must be excavated from the borrow pit.
What is the concentration of tracer in the reactor 1 h after tracer addition is terminated? The reactor had an initial concentration of tracer of 1.0 mg/L when tracer addition commenced.
The weights on the same axles when the truck is empty and leaving the power plant are 10 kips, 12 kips, and 8 kips, respectively. A two lane road is to be designed to serve the power plant and to last for a period of 10 years. a) What is the equiv..
Explain about pres-stressed concrete
Starting from x = 0 with no initial velocity, the acceleration of a race car is defined by the relation a = 6.8e- 0.00057x , where a and x are expressed in m/s 2 and meters, respectively. Determine the position of the race car when v = 30 m/s.
Design a three story office building
What is the minimum distance from the stalled car at which the driver could apply the brakes and still stop before hitting it? Assume coefficient of rolling resistance of 0.013.
A cross section of a cottage, 20 ft wide, is an isosceles triangle. If the slope of a side is 1.75 and there is a second floor 8 ft above the ground floor, what isthe width of the second floor?
Air can be assumed as a di-atomic ideal gas. Find the final temperature and the amount of work ( in kW) required for air compression at a rate of 100 mol/s , from an initial condition of 1 bar an 25 C to 10 bar; for the following ways:
Water with a static pressure of 1.96kN/M 2 flows through an 800 mm diameter pipe. A pitot tube pressure gage in this pipe reads a pressure of 5.88 kN/M 2 . How do you determine the volume flow rate (Q) of the water? (Q = 1.40 M^3/sec, V=2.79 M/se..
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