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The trailer has a mass of 580 kg and a mass center at G. The spool has a mass of 200 kg with a mass center at O and a radius of gyration about an axis passing through 0 and 0.45 m. If a force of 60 N is applied to the cable, determine the angular acceleration of the spool and the acceleration of the trailer. The wheels have negligible mass and are free to rotate.
If a car engine is turning at 4000 rpm, the transmission gear ratio is 3:1 and the final drive ratio is 4:1. (a) what is the speed in rpm of the car wheels and (b) the vehicle speed if the tire radius is 8 inches
A sample of 10 television tubes produced by a company showed a mean lifetime of 1200 hours and a standard deviation of 100 hours. Estimate (a) the mean, (b) the standard deviation of the population of all television tubes produced by this company.
Discuss and use examples to explain the specific factors that you will need to consider when pricing the following items in the bill of quantities foundation excavation
the motorcycle is traveling at 1 m/s when it is at A at the bottom of the ramp. If the speed is then increased at v=0.1 m/s^2, determine its speed and acceleration at the instant t=5s
Determine: a. the Level of Service for this segment; b. the loss in Level of Service, if due to construction the lane width is reduced to 10 feet and there are concrete barriers one foot away from either end of the pavement.
What are the effects of hardness, hot strength and hot hardness and work hardening of work materials
If the ball strikes the side of the building 2s after being thrown, at what height above the base of the building did the ball strike the building? What is the velocity of striking?
Assume that at one end of the column a clockwise moment of 100 k-ft is present, and that at the other end of the column a counter-clockwise moment of 25 k-ft is present. you may assume that k= 1.
Place the scientific mass on the inclined plane and string over the pulley. Using a force-measuring device, pull the string and determine the force needed to obtain static equilibrium.
a tank is filled with oil (specific gravity 0.8) and water to a depth of 10 meter and 6 meter respectively. Find the resultant force from all fluids acting on the gate of 1.8 meter by 9 meter.
When the engine of the plane is running, the vertical reaction that the ground exerts on the wheel at A is measured as 616lb . When the engine is turned off, however, the vertical reactions at A and B are 520lb each.
Will crack widths be affected by the air entrainment?
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