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Find the work done in moving a particle in the force field F = 3x2 i + (2xz - y)j + zk along
(a) The curve defined by x2 = 4y, 3x3 = 8z from x = 0 to x = 2;
(b) The straight line from (0, 0, 0) to (2, 1, 3).
(c) Does this mean that F is a conservative force? Give reasons for your answer.
a piston cylinder arrangement contains 0.4 m3 of saturated water vapor at 200 kpa. the piston is resting on a pair of
a 0.12-m3 rigid tank contains saturated refrigerant- 134a at 800 kpa. initially 25 percent of the volume is occupied by
a supersonic aircraft consumes 5320imperial gallons of kerosene per hour of flight ang flies an average of 14 hours per
a pile weighing 2000 lb is driven vertically into the ground by a pile-driver hammer weighing 6000 lb which falls
at the beginning of the compression process of an air-standard dual cycle with a compression ratio of 18 the
electric power is to be generated in a hydroelectric power plant that receives water at a rate of 70 m3s from an
An epoxy matrix composite containing both HS (such as T-300) carbon fiber and E-glass fiber is to be formulated such that the cost/ kg is to be equal $ 8.00/ kg. It is desired to keep the total fiber volume fractionequal to 60 %. What are the requ..
during a test of a metal bar it was found that an axial tensile force of 10000 lb resulted in an elongation of 0.023
water and ammonia streams flow through a steady state heat exchanger. the water stream enters the heat exchanger with a
The inner surface of a plane brick wall is at 40°C and the outer surface is at 20°C. Calculate the rate of heat transfer per m 2 of surface area of the wall, which is 250 mm thick. The thermal conductivity of the brick is 0.52 W/mK.
Plot magnification and transmissibility factor for a 2 DOF (using sprung and un-sprung mass) quarter car suspension model using the following variables:
An inventor wants to increase the efficiency of wood burning stoves by reducing the energy lost through the exhaust stack. He proposes to accomplish this by attaching fins to the outer surface of the chimney, as shown schematically below.
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