Example(1):- A rope (AB) of length 35 m passing over a pulley of negligible sizeat (C) as shown in figure below, find the total time required to raise the mass of (B)from the ground to the point (C) if we know that the point (A) has a constantvelocity V 10 m/sec to the right.Solution:-BAT15msmV. 10 m/sec٤/٣ #Example(2):- A ball is dropped from rest at the top of a 60 m tower. A horizontalwind gives it a constant horizontal acceleration, and the ball hits the ground 3 meast of its release point. Neglect vertical air resistance and calculate the horizontalacceleration a, and the horizontal velocity V, of the ball as it hits the ground.Solution:-3mAT60m

Answered: Image /qna-images/answer/2e122193-1670-4db8-8fc7-ad0417f261d7.jpg

Answered: Example(1):- A rope (AB) of length 35 m…

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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FBD: The mass of a pendulum is connected to a spring with a spring constant Kas shown in the figure. The spring stays vertical all the time with the help of a massless follower. The vertical distance between the fixed point O and the path of the massless follower is 2L. Use Newton's second law and find the equation of motion of the system in terms of 0. 762 mgbi Img 2L L bil Nig K 777777 P EMO = Jaz ->0₂ ?
A 25 kg mass is attached to a spring with spring constant 100 N/m. The mass is driven by an external force equal tof(t) = 5 cos(2t). 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.) Write the initial-value problem which describes the position of the mass.
• View Available Hint(s) Learning Goal: To set up and analyze equations of motion in a cylindrical coordinate system. A = 4.30 rad/s Submit Previous Answers The mechanism shown in the figure below rotates about the vertical axis. The collar has mass an unstretched length of 1000 mm and the spring constant is k = 220 N/m. The distance d= 385 mm , and the collar is required to stay a fixed distancer = 1320 mm from the vertical axis.(Figure 1) = 3.25 kg. The spring has v Correct Part B- The minimum required angular velocity when there is friction Consider the same mechanism again, with m = 3.25 kg, d = 385 mm, k = 220 N/m, only now, instead of being smooth, the collar and shaft have a maxirmurm coefficient of friction of p. = 1.36. What is the minimum angular velocity required to keep the collar at a constant distance r= 1320 mm from the axis of rotation? Express your answer to three significant figures. Figure 1 of 1> • View Available Hint(s) η ΑΣφ It vec rad/s Submit d Part C Complete…
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