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The wheel has a mass of 25 kg and a radius of gyration k=0.15m. It is originally spinning at w1=40 rad/s. If it is placed on the ground, for which the coefficient of kinetic friction is uc = 0.5, determine the time required for the motion to stop. What are the horizontal and vertical components of reaction which the pin at A exerts on AB durin this time? Neglect the mass of AB.
The bar AB is pinned at A then .4 m to a 90 degree down for .3 m to B where .2 m radius wheel is attached and rotation of wheel is clockwise.
On a single graph, plot "Hardness" as the ordinate versus "Aging Time" as the abscissa for each aging temperature - Discuss the effect of aging time and temperature on the effect of material hardness.
a 0.7-lb block rests on top of a 0.5-lb block supported by but not attached to a spring of constant 9 lbft. the upper
A luge and its rider, with a total mass of 98 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 39 m/s.
a spring-mass is excited by a force f0sinomegat. at resonance the amplitude is measured to be 0.58 cm. at 0.80 resonant
a removable bracket must be attached to the frame of a machine tool as a support. the need for interchangeability
Complete the sketch of the obtuse triangle. It must have an area of 1.75 in.2. Prove the geometry by dimensioning the sketch and showing the area calculation. Show only those dimensions needed for the area calculation. Note: each grid unit = .25 i..
The uniform 6-kg slender rod rests on the top center of the 3kg block. If the coefficients of static friction at the points of contact are ua=.4 and ub=.6, and uc=.3, determine the largest couple moment M which can be applied to the rod without ca..
a tube with elastic modulus of 75 gpa is used to support a compressive load. it is required that this tube must not
Determine heat flow, Heat flow through a uniform wall will: a) increase as the thermal resistance increases b) increase as the thickness of the wall increases
a vacuum cleaner is plugged into a 120.0-v socket and uses 3.6 a of current in normal operation when the back emf
spherical balloon has a diameter d1 when the pressure of the gas inside is p1 and atmospheric pressure is po. the gas
a mass of 3kg of nitrogen at 100kpa and 20oc is contained in a piston-cylinder device. it is now expanded to a final
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