Urgent solve all mcqs 1. A bead on a circular hoop with radius 2 m travels counterclockwise for 10s and completes 2.25 rotations,at which point it reaches the position shown.In the past 10s, what were its average speed and the direction of its average velocity?(A)2π m(B) FE(C)(A)9 m10 s2. A mass on an ideal pendulum is released from rest at pointfollowing shows the direction of its acceleration?(E)2m(A)(D)(B)(C)(D)(E)9 m10 sWhen it reaches point II, which of the3. A soccer ball is kicked up a hill with a flat top, as shown. The ball bounces twice on the hill, at the pointsshown, then lands on the top and begins rolling horizontally. Which of the following shows the verticalcomponent of its velocity as a function of time?Min(B)-Att -AltAll(C)

“Since you have posted multiple questions, we will provide the solution only to the first question…

Answered: 1. A bead on a circular hoop with…

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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A helical spring has a stiffness of of 25 kN/m. If a mass of 100 kg is attached to its free end, pulled down, and then released, (a) amount of deflection, in cm, (b) determine the periodic time of its motion. (c) If the maximum deflection was 50 mm, find the velocity and acceleration of the mass when it is 300 mm from the equilibrium position. Make an illustration.
A shaft is rotating at a uniform speed with four masses mı, m2, m3 and m4 of magnitudes 300 kg, 450kg, 360kg and 390 kg respectively. The masses are rotating in the same plane. The corresponding radii of rotation are 200mm, 150mm, 250mm and 300mm. The angles made by these masses with respect to horizontal are 0°, 45º, 120° and 255° respectively. 1) Check the magnitude and position of balance mass if it radius of rotation is 200mm, and 2) Evaluate the effect of adding the balance mass to the system.
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