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The 30-Mg freight car A and 15-Mg freight car B are moving toward each other with the velocities VA= 20 km/h to the right and VB= 10 km/h to the left. the spring constant on car A is k= 3MN/m. determine the maximum compression of the spring mounted on car A. neglect rolling resistance.
the position of a particle moving in a curvilinear path is given by thetacos2t where theta units are radians and t
a 15-hp shaft pump is used to raise water to a 45-m higher elevation.if the mechanical efficiency of the pump is 82
a piston-cylinder device contains 0.15kg of air initially at 2mpa and 350oc. the air is first expanded isothermally to
calculate the resistance of a platinum wire that is 2 m in lenth and has a diameter of 0.1cm. the resistivity of
a random sample of size 56 from a normal population showed a mean of 63 and a sum of squares of deviation from the
What is the acceleration of the truck if the coupling at C suddenly fails? The car wheels are free to roll. Neglect the mass of the wheels.
find the cartesian components of force p acting in the x y and z directions given p20n alpha 134.5 deg beta 55.0 deg
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
a circular specimen of mgo is loaded using a three point bending mode. compute the minimumnbsppossible radius of the
(a) Find the speed of the bucket (b) How fast must the bucket move at the top of the circle so that the rope does not go slack?
a 25 cm long glass fiber e 72.2 gpa v 0.25 has a fracture strength of 75 mpa. what is the minimum diameter of a fiber
air flows in a channel whose velocity at 3 neighbouring points ab and c which are 10 cm apart are shown in the
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