3:17 AM←Jonathan Wickert, Kemper Lewis - An Introduction to Mechanical Engineering-Cengage L...Figure P8.3Problem P8.3The disk in a computer hard drive spins at 7200 rpm (Figure P8.3). At theradius of 30 mm, a stream of data is magnetically written on the disk, and thespacing between data bits is 25 µm. Determine the number of bits per secondthat pass by the read/write head.30 mm7200 rpmBAum4G+49%

Given:The hard drive spins are the radius of the disk is the spacing between the data bits is

Answered: The disk in a computer hard drive spins…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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My question and answer is in the image. Can you please check my work? A 2 kg mass is attached to a spring with spring constant 50 N/m. The mass is driven by an external force equal tof(t) = 2 sin(5t). The mass is initially released from rest from a point 1 m below the equilibrium position. (Use theconvention that displacements measured below the equilibrium position are positive.)(a) Write the initial-value problem which describes the position of the mass. 2y"+50y=2cos(5t) (b) Find the solution to your initial-value problem from part (a). (1+(1/2)tcos(t))cos(5t)-(1/2)tcos(t) (c) Circle the letter of the graph below that could correspond to the solution. B (d) What is the name for the phenomena this system displays? Resonance
Question 3: [24] Crack AB of a slider crack mechanism shown in Figure 2 rotate at a constant speed of 300 rpm in clockwise direction. The connecting rod BC has a length of 1 m and incline at 45° to vertically positioned piston C. B 1 m |0.2 m 45 Figure 2: Slider crank mechanism 3.1. Draw the displacement diagram of the mechanism shown in Figure 2 to scale. (4) 3.2. Use a vector diagram to determine the velocity of the piston C and connecting (8) rod BC. 3.3. Calculate the acceleration of piston C and the angular acceleration of (12) connecting rod BC.
E and 5 v X O file:///C:/Users/Hp/Desktop/mm/OUTCOME%20NO.2%20and%205%20with%20Problems.pdf + O Fit to page D Page view A Read aloud 1 Add notes Problems 1. A brass rod of diameter 25 mm and length 250 mm is subjected to a tensile load of 50 kN and the extension of the rod is equal to 0.3 mm. Find the Young's Modulus or Modulus of Elasticity. 99+ to search hp delete prt sc 14 DI backs & 7 8 24 4 P EJR -0 J K H D. F
Q4: Calculate elastic compliance constants (S's) related to C's in the following matrix. [C11 C12 C13] C21 C22 C23 C31 C32 C33
Handwrite and step by step solutions The figure shows a cross section of a conventional loudspeaker. A voice coil (driven by the audio signal and connected to a lightweight cone) is suspended in a gap in an iron yoke, which has the form of a cylindrical cup with a center pedestal. The center pedestal is a permanent cylindrical magnet (length of 25mm and diameter of 20mm), which generates a magnetic field intensity of H=4x104 [A/m] throughout its length. Estimate the B-field in the 2.5mm gap near the voice coil. Assume that the reluctance of the yoke is negligible. Note that the magneto-motive force of a permanent magnetic is the product of H times its length. 10 mm 2.5 mm 25 mm N voice coil Iron "yoke" permanent magnet top view
Define the displacement compatibility equation, the virtual loading state and the main system of the structure.
You and a friend are raising a beam, but your friend's rope is too short so you lift him off the ground. At the current time, everything is static. The tension in your cord is 1045.6 N, the mass of the beam is 15 kg, and the mass of your friend is 85 kg. The length of the beam is 4.9 m, d = 3.9 m, theta = 43.5 degrees, phi = 62.5 degrees. If you choose the base of the beam as the origin, and the positive torque direction as counter-clockwise, what is the torque from your cord on the friend+beam system?
Q5. For a point at distance 50 m and angle 450 to the axis which of the following statements are correct? Consider an infinite baffled piston of radius 5 cm driven at 2 kHz in air with velocity 10 m/s. You may choose multiple options. a. The constant term is given by 515.03 b. The distance dependent term is given by e-jk50/50 c. The directivity term is given by j1(Ka sin 450)/sin 450 d. There is no time dependent term.
Frame the three equations and find the constants of the Freudenstein's equation for the given data. A four-bar mechanism is to be designed in a automotive industry to perform automation of packaging. The given input angles and the required output angles are given below. O, is along 03 is 40° greater than 02 Input angle, 0 02 is 30° greater than 01 positive x axis Pi is 20° lesser than P2 Output angle, O P 2 is same as 03 P3 = 02
A X₁ RA P₁ X₂ P₂ 2 X3 X L 10 C ХА B RB 22 Z P₁ = 30kN; P₂ = 50kN; w= 10kN/m; L = 6m x₁ = 1m; x₂ = 2m; x3 = 3m; x = 5m Find RA and Rg, and draw SFD and BMD
PROBLEM: VID-3 BOOK: ENGINEERING THERMOFLUIDS, M. MASSOUD (please can you answer my question even if it's rough computation)
Vibrations Engineering: Mass = 10 kilogramsSpring constant = 400 Newtons per meterPeriodic Force = 6 NewtonsForcing Frequency = 5 radians per secondInitial Displacement = 80 millimetersInitial Velocity = 2 meters per second Calculate: (Express the final answer in 4 significant digits) -the natural frequency in radians per second -the amplitude of steady-state vibration

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The disk in a computer hard drive spins at 7200 rpm (Figure P8.3). At the radius of 30 mm, a stream of data is magnetically written on the disk, and the spacing between data bits is 25 µm. Determine the number of bits per second that pass by the read/write head. 30 mm 7200 rpm 25 μm)