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A particle of mass m can move on a rough horizontal table and is attached to a fixed point on the table by a light inextensible string of length b. The resistance force exerted on the particle is -mKv, where v is the velocity of the particle.
Initially the string is taut and the particle is projected horizontally, at right angles to the string, with speed u. Find the angle turned through by the string before the particle comes to rest. Find also the tension in the string at time t.
A 10-kg block swings down and strikes an identical block. Assume that the 6-m rope breaks during impact and the coefficient of restitution is zero. How long will it be before m2 comes to rest? How far will it have traveled? What is the percentage o..
a curved rectangular bar has a mean radius of 6 in and cross section width b2.5 in and depth h 1.5 in. 1. determine the
The unit cell for uranium has orthorhombic symmetry with a, b and c lattice parameters of 0.286, 0.587, 0.495 nm, respectively. If its density, atomic weight, and atomic radius are 19.05 g/cm3, 238.03 g/mol, and 0.1385 nm, respectively, compute th..
find the solution to the second order ode with constant coefficients. first solve for the homogeneous solution and then
The rigid tank in the figure has a volume of 60 liters and initially contains a two-phase liquid vapor mixture of H2O at a pressure of 15 bars and a quality of 20%. As the tank contents are heated, a pressure-regulating valve keeps the pressure const..
an 0.5 m3 rigid tank contains equal volumes of freon-12 vapor and freon-12 liquid at 312k. additional freon-12 is added
Plot to a base of air-fuel ratio graphs of by and specific fuel consumption. What ate the air-fuel ratios at maximum power and maximum economy!
the 8lb ball a is released from rest 10ft height see figure. at the end of the travel ball will impact a 6lb plate b.
Calculate the magnitude and direction of the torque required to hold the gearbox stationary (holding torque Th). Show the direction of the holding torque applied to the shaft with the aid of a sketch.
a diesel cycle works on compression ratio of 18 and temperature at the start of compression is given as 300k. take cut
compute the range of widths for which the metacentric height is positive, that is, for which the design would be stable. Plot a graph of metacentric height versus width.
a power cycle operates between hot and cold reserviors at 600 k and 300 k rspectively. at steady state the cycle
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