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14-71. The car C and its contents have a weight of 600 lb, whereas block B has a weight of 200 lb. If the car is released from rest, determine its speed when it travels 30 ft down the 20° incline. Suggestion: To measure the gravitational potential energy, establish separate datums at the initial elevations of B and C.
14-74. The assembly consists of two blocks A and B which have a mass of 20 kg and 30 kg, respectively. Determine the speed of each block when B descends 1.5 m. The blocks are released from rest. Neglect the mass of the pulleys and cords.
The product of the heat transfer coefficient h and outer surface area A is 35 Btu/h ? °R. For the gearbox,
Give a sketch of the mechanical linkage to lift the mass.
the cost of sending a package by an express delivery service is s12.00 for the first two pounds and 4.50 for each pound
polymorphs are distinct types of crystals that have the same composition. for example iron changes from bcc to fcc upon
a sample of 10 capacitors was placed on test for 2000 hours. at the end of this period five capacitors had
the snowmobile is traveling at 10m/s when it leaves the embankment at A.determine the speed at which it strikes the ground at B and its maximum acceleration along the trajectory AB.
Calculate spring stiffness for which the oscillator becomes unstable (gravity in the negative y direction) verify with SW Simulation (study 1)
the water level in a sealed tank is 26 m above the ground. the pressure in the air space above the water is 0.25 mpa
water enters a steam generator as compressed liquid at 100 c 6mpa and exits as superheated vapor at 500 c 6mpa constant
a 4 l volume of pressure cooker in a kitchen operates at 200 kpa with an exit area of 10 mm2. with well controlled heat
the a-36 steel plate has a thickness of 12 mm and other dimensions. r30mm p60mm ab200mm bc800mm cd200 width120mm. the
neptune has equatorial diameter of 49532 km and mass 1.0247 x 1026 kg. if the planet is modeled as a homogeneous
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