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A 10-kg block is attached to spring A and connected to spring B bycord and pulley. The block is held in the position shown(block is held above ground on support with spring under supportand on top of pulley, both with k=2 kN/m) with both springsunstretched when the support is removed and the block is releasedwith no initial velocity. Knowing that the constant of eachspring is 2 kN/m, determine (a) the velocity of the block after ithas moved down 50 mm, (b) the maximum velocity achieved by theblock.
a heat pump with a cop of 3.0 is used to heat air contained in a 1205.4m3 of well-insulated rigid tank. initially the
a system with an initial volume of 2 m is filled with water at 3 mpa 400 deg c.it is now cooled at constant volume to
a system executes a power cycle while receiving 1050 kj by heat transfer at a temperature of 525 k and discharging 700
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a cannon is pointed at 60 degrees angle relative to flat horizontal field. it fires a projectile with a muzzle speed of
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a whip crack is illustrated below. to crack the whip it is thrown forward with a velocity of 10 ms and the handle is
a 30 m x 30 m concrete floor slab is heated by 0.025 m diameter hot water pipes sunk beneath the floor surface and
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consider the equation dydt y2y2-1 a- determine the equilibria and classify each one as asymptotically stable unstable
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