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Qusetion: The micro cantilever of Problem is used to sense the mass of a particle mp that attaches to its free end. Calculate mp knowing that the lumped-parameter viscous damping coefficient is c = 4.27 # 10-9 N-s/m, the maximum voltage readout is DV0 = 4.5 nV, while all other parameters are the ones specified in Problem.
Problem: A micro cantilever is placed on a shaker that provides a variable-frequency input displacement motion u = 5 sin(~t) nm. The micro cantilever has a length l = 320 nm, width w = 50 nm, thickness h = 3 nm, Young's modulus E = 150 GPa, mass density t = 5400 kg/m3 and is used in conjunction with a strain gauge (Kg = 2.1) attached to the cantilever root and connected in a Wheatstone bridge (with vi = 20 nV). Knowing that the maximum voltage readout is DV0 = 8 nV, determine the overall coefficient of viscous damping c.
A series RC circuit with C = 44 µF and R = 6.8 Ω has a 24 V source in it. After a long time has passed, what is the voltage across the resistor
A 2.54 kg particle moving along the x-axis experiences the force shown, where Fmax=6.85 N, Fmin=-6.85 N, d1=1.27 m, d2=2.54 m, d3=3.81 m, and d4=5.08 m. At x=0.00 m the particle's velocity is 3.93 m/s. What is its velocity at x=2.54 m?
This ball also travels 99 yd. At what angle was the second ball hit?
A Goodyear blimp typically contains 5400m3 of helium (He) at an absolute pressure of 1.1multiplied by 105 Pa. What is the mass of the helium in the blimp
A cylinder weighs 2.3N in the air and has dimensions of d = 2.8 cm, and height= 14cm. What is the density of the object?
A +30 µC charge is placed 40 cm from an identical +30µC charge. How much work would be required to move a +0.41µC test charge from a point midway between them to a point 5cm closer to either of the charges?
a plane flying horizontally at a speed of 50.0 ms and at an elevation of 160 m drops a package. two seconds later it
how much work was done by her force acting on the car
A hydrogen atom in the n= 2 state absorbs a photon with wavelength 486nm. Find the change in the orbiting electron's kinetic energy
When a portable fan is first turned on it draws 4.62 A. After it has come up to speed it draws 0.55 A. calculate the back emf while the motor is running
An electron is projected vertically upward with a speed of 1.50 * 10^6 m/s into a uniform magnetic field of 0.200 T that is directed horizontally away from the observer. What is the radius of motion?
A 20 cubic feet insulated vessel of oxygen at a temperature of 180 psia is stirred by internal paddles until then pressure becomes 300 psia. Determine (a) the change of internal energy, (b) the input work, (c) the heat, and (d) the change of entro..
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