The disk is moving to the left such that it has an angular acceleration cx=9 rad/s² and angular velocity w=2 rad/s at the instant shown. It does not slip at A Suppose that r=0.3 m (Figure 1) Figure 30° < 1 of 1 A ▼ Part A Y Determine the magnitude of the acceleration of point B. Express your answer to three significant figures and include the appropriate units. ap= Submit Part B μÀ Value Request Answer m/s² —| ΑΣΦ Determine the direction of the acceleration of point B measured clockwise from the positive z axis Express your answer using three significa It vec 4 ? figures. @ ?

The disk is moving to the left such that it has an angular acceleration cx=9 rad/s² and angular velocity w=2 rad/s at the instant shown. It does not slip at A Suppose that r=0.3 m (Figure 1) Figure 30° < 1 of 1 A ▼ Part A Y Determine the magnitude of the acceleration of point B. Express your answer to three significant figures and include the appropriate units. ap= Submit Part B μÀ Value Request Answer m/s² —| ΑΣΦ Determine the direction of the acceleration of point B measured clockwise from the positive z axis Express your answer using three significa It vec 4 ? figures. @ ?

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

See similar textbooks

Similar questions

A piston, connecting rod and crank mechanism is shown in the diagram. The crank rotates at a constant velocity of 300 rad/s. Find the acceleration of the piston and the angular acceleration of the link BC. The diagram is not drawn to scale. 300 rad/s A 600 50 mm 777//// 170 mm
An L-shaped bar ABC has known velocity v and acceleration a, at point A and known ang ular velocity WABC and angular acceleration a ABC- The dimensions and parameters you are to use are provided in the table below. Signs denote + for CCW,- for CW, + for right, and- for left. B Determine the acceleration vector in terms of unit vectors for point C at this instant using vector math. LAB LBC Units in in A-F 7.5 5.0 LBC LAB LAG Ө WABC ABC deg rad/s rad/s 33 3.5 21 VA in/s 13.0 WABC ABC aA in/s² 24.0 a VA
The velocity of point C of the robotic arm is vc = -0.15i + 0.42j (m/s). Figure 760 mm 40° B 920 mm- 30 < 1 of 1 Part A What is the angular velocity of arm AB? (Figure 1) Enter the x, y, and z components of the angular velocity separated by commas. WAB x¹ WAB Submit Part B y' WBC x WBC WAB 7 = Request Answer Y' What is the angular velocity of arm BC? Enter the x, y, and z components of the angular velocity separated by commas. Π| ΑΣΦ | Η WBC z = vec IVE ΑΣΦ | | vec ? ? rad/s rad/s Constants
For the following mechanism, if the length of rod AB, /= 2.5 m, and its angular velocity W = 7.6 rad/s, determine the magnitude of the angular velocity of rod AB. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point and proper unit. B 45° Your Answer: Answer 1 units 0.5 m A 30°
Member AB has the angular velocity wAB = 2.5 rad/s and angular acceleration AB = 8 rad/s². (Figure 1) Figure A 200 mm 300 mm @AB @AB OD B 500 mm 0 = 60° 1 of 1 ▼ Part A Determine the magnitude of the velocity of point C' at the instant shown. Express your answer to three significant figures and include the appropriate units. v= ▼ Part B μA Submit Request Answer Value 0₂ = Units www. Determine the direction of the velocity of point C at the instant shown. Express your answer using three significant figures. VAΣo↓ vec ΑΣΦ P Pearson ? BOLLY SOL ? 0 7 measured counterclockwise from the negative x-axis
The following diagram shows a piston moving in a cylinder with rod AB. Point B is rotating clockwise with an angular velocity of w. cylinder piston A connecting rod crank bearing B ResearchGate The motion of B is given by the equation r = C cos(wt) + Dsin(wt) Were r is the horizontal +vertical distance of B from O, and C, D are constants. For C=D=42mm and w = 20 rad/s. (i) Write r in the form Rcos (wt ± ß) and state the amplitude and period of r. (ii) Sketch one complete cycle of r. (iii) Explore the differences between the derived form and drawn form
In a manufacturing process, a large, cylindrical roller is used to flatten material fed beneath it. The diameter of the roller is 7.00 m, and, while being driven into rotation around a fixed axis, its angular position is expressed as 0 = 2.10t? - 0.800r where 0 is in radians and t is in seconds. (a) Find the maximum angular speed of the roller. rad/s (b) What is the maximum tangential speed of a point on the rim of the roller? m/s (c) At what time t should the driving force be removed from the roller so that the roller does not reverse its direction of rotation? |s (d) Through how many rotations has the roller turned between t = 0 and the time found in part (c)? | rotations
Figure 0.6 m 0.3 m B -0.6m OCD WACD 1 of 1 4 Determine the angular acceleration of link AB if link CD has the angular velocity wcD = 3 rad/s and angular deceleration acp=3 rad/s² shown in (Figure 1). Assume the counterclockwise rotation as positive Express your answer to three significant figures and include the appropriate units. OAB μA Value rad in E ?
Part A The angular velocity of link AB is wAB = 6.5 rad/s. (Figure 1) Determine the velocity of block C at the instant e = 45° and o = 30°. Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is directed to the right and negative value if the velocity is directed to the left. vC = Value Units Submit Request Answer Part B Determine the angular velocity of link BC at the instant 0 = 45° and ø = 30°, measured clockwise. Express your answer using three significant figures. Enter positive value if the angular velocity is clockwise and negative value if the angular velocity is counterclockwise. Figure 1 of 1 vec WBC = rad/s WAB Submit Request Answer 3 m B Part C Complete previous part(s) 2 m Provide Feedback Next > C
5. The angular displacement of a body is a function of time and is given by equation : 8 = 10 + 31 + 6 , where t is in seconds. Determine the angular velocity, displacement and acceleration when t= 5 seconds. State whether or not it is a case of uniform angular acceleration. [Ans. 63 rad/s ; 175 rad ; 12 rad/s']
UPVOTE will be given! Please write the complete solutions legibly. No long explanation needed. Answer in 2 decimal places. Dynamics of Rigid Bodies A particle moves that is defined by the parametric equations given below (where x and y are in meters, and t is in seconds). Solve the angular velocity (rad/s) at t = 2 seconds. x = 3t2 - 1 ; y = t3 - 3t2 + t - 3