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The man has mass 80kg and sits a distance 3m from the center of the rotating platform. Due to the rotation his speed is increased from rest by the rate 0.4m/s. If the coefficient of static friction between his clothes and the platform is 0.3, determine the time required to cause him to slip.
to what temperature would a constrained rod of aluminium with a diameter of 50 mm need to be heated if it is expected
A rigid vessel of capacity 0.6 m3 contains dry saturated steam at 4.0 bar. The vessel is cooled until the pressure is reduced to 2.0 bar, Calculate; a) the mass of steam in the vessel.
use potential flow theory to determine the lift coefficient of a spinning baseball in terms of the forward velocity v
Determine the peak runoff from 500 ft of pavement(32ft wide) that drains toward a gutter(for 10 years freq. storm), the pavement slope is .0005, n=.016 and c=.9
A car accelerates uniformly rest to 81 ft/s over a distance of 700 ft along a curve of 800ft radius .Determine the magnitude of the total acceleration at the instant that speed of 81ft is reached.
A satellite is in Earth with an altitude at perigee of 550 km and an altitude at apogee of 5000 km.
a first class lever in static equilibrium has a 50lb resistance force and a 15lb effort force. the levers effort force is located 4ft from the fulcrum. what is the actual mechanical advantage of the system?
A train accelerates uniformly along a straight track and passes three trackside markers. The distance between the first two markers is equal to 0.25 km and between the second and third the distance is 0.4km
a steam power plant operates on an ideal reheat-regenerative rankine cycle and has a netnbsppower output of 80 mw.
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
Describe how you would implement it using an open-loop system
mechanical vibrations a helical spring of stiffness k is cut into two halves and a mass m is connected to be 0.5 s. if
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