Engineering

Engineering, 17.07.2019 23:20, ayoismeisjjjjuan

Aviscously damped single degree of freedom mass-spring system has a mass m of 2 kg, a spring coefficient k of 2000 n/m, and a damping constant c of 5 n s/m. determine (a) the damping factor , (b) the natural frequency w, (c) the damped natural frequency o, and (d) the spring coefficient needed to obtain critically damped system.

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Mathematics, 17.07.2019 18:10, highspeed7100

(1 point) a mass weighing 10 lb stretches a spring 12 in. suppose the mass is displaced an additional 12 in in the positive (downward) direction and then released with an initial upward velocity of 1 ft/s. the mass is in a medium, that exerts a viscuouse resistance of 2 lb when the mass has a velocity of 2 ft/s. assume g 32 ft/s is the gravitational acceleration (a) find the mass m ( in lb . s2/ft) m0.3125 (b) find the damping coefficient c (in lb - s/ft) c- (c) find the spring contant k (in lb/ft) k= 10 (d) set up a differential equation that describes this system. let r to denote the displacement, in meters, of the mass from its equilibrium position, and give your answer in terms of x, x',z" (e) enter the initial conditions (01 '(0)1 ft ft/s (f) is this system under damped, over damped, or critically damped? under damped '

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Engineering, 26.07.2019 19:10, uglybruja81

Consider an open loop 1-degree-of-freedom mass-spring damper system. the system has mass 4.2 kg, and spring stiffness of 85.9 n/m, and damping coefficient of 1.3 n.s/m. what is the non-dimensional damping ratio of the system? use at least 4 significant digits after the decimal point.

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Mathematics, 01.11.2019 02:31, sdxnessa

Amass weighing 6lb stretches a spring 15in. suppose the mass is displaced an additional 9in in the positive (downward) direction and then released with an initial upward velocity of 4ft/s. the mass is in a medium, that exerts a viscuouse resistance of 1lb when the mass has a velocity of 2ft/s. assume g=32ft/s2 is the gravitational acceleration. (a) find the mass m (in lb middot s^2/ft). m = (b) find the damping coefficient c (in lb middot s/ft). c = (c) find the spring constant k (in lb/ft). k = (d) set up a differential equation that describes this system. let x to denote the displacement, in meters, of the mass from its equilibrium position, and give your answer in terms of x, x', x". (e) enter the initial conditions: x(0) = ft, x'(0) = ft/s (f) is this system under damped, over damped, or critically damped?

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Aviscously damped single degree of freedom mass-spring system has a mass m of 2 kg, a spring coeffic...

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