Starting at (WA) = 1 rad/s, when 0 = 0, s = 0, pulley A is given an angular acceleration a = (0.60) rad/s², where is in radians. (Figure 1) Figure 50 mm- A 75 mm 150 mm 1 of 1 > Part A Determine the speed of block B when it has risen s= 0.3 m. The pulley has an inner hub D which is fixed to C and turns with it. Express your answer to three significant figures and include the appropriate units. VB = Submit HÅ Value Provide Feedback Request Answer Units ?

Starting at (WA) = 1 rad/s, when 0 = 0, s = 0, pulley A is given an angular acceleration a = (0.60) rad/s², where is in radians. (Figure 1) Figure 50 mm- A 75 mm 150 mm 1 of 1 > Part A Determine the speed of block B when it has risen s= 0.3 m. The pulley has an inner hub D which is fixed to C and turns with it. Express your answer to three significant figures and include the appropriate units. VB = Submit HÅ Value Provide Feedback Request Answer Units ?

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

PROBLEM 2 For the mechanism, shown on the figure, Onc = const 5 s'. O4=BC D0,3 m, AB-0,6 m. Determine: a) velocity and acceleration of the point B: b) angular acceleration of the body BC: c) angular velocity and angular acceleration of the body OA: d) linear velocity and acceleration of the pointA. 120 60°
The slider block has the motion shown. Suppose that r = 140 mm and h = 400 mm. (Figure 1) Part A Determine the angular velocity of the wheel at this instant measured counterclockwise. Express your answer using three significant figures. Enter positive value if the angular velocity is counterclockwise and negative value if the angular velocity is clockwise. w = 20.0 rad/s Submit Previous Answers v Correct Part B Figure < 1 of 1 Determine the angular acceleration of the wheel at this instant measured counterclockwise. Express your answer using three significant figures. Enter positive value if the angular acceleration is counterclockwise and negative value if the angular acceleration is clockwise. vec ? h a = 137.142 rad/s? Submit Previous Answers Request Answer vg = 4 m/s ag = 2 m/s? X Incorrect; Try Again; 4 attempts remaining P Pearson
Gear A of the winch turns gear B, raising the hook H. Gear A starts from rest at t=0 and its clockwise angular acceleration (in rad/s) is given as a function of time by 0=0.28t. What is the upward velocity of the hook and what vertical distance has it risen at t=12s ? Figure Q5 - Gear winch H
Q1. Member AB is rotating (about fixed point A) with angular velocity (@ = 1 rad/sec) and angular acceleration (a = 2 rad/sec?) and driving the link CD (rotating about fixed point D at constant velocity) as shown in figure. Select five right answers. (a) Tangential Acceleration (a:) of link AB will not be zero (b) Tangential Acceleration (a) of link AB will be zero D 450mm (c) Tangential Acceleration (a,) of link CD will not be zero 200 mm 100 mm 60 H (d) Tangential Acceleration (a,) of link CD will be zero (e) All points on link CB will have same linear velocity 0 All points on link CB will have same angular velocity Formula • Tangential acceleration of a rotating link -ra • Radial (normal) acceleration of a rotating link = v³ /r= wr velocity of a rotating Ink (v) = r.w (g) Angular acceleration (a) for link CD will be zero (h) Angular acceleration (a) for link CB will not be zero Q2. Magnitude of linear velocity of any point “H" located at the half of the length of a rotating link CB…
The driving link of a mechanism as shown in Figure Q1 rotates at constant angular velocity W;=2 rad/s. Determine the velocity and acceleration of the slider C. D 30 45° E EB : 102 mm DA :191 mm BC :356 mm АB :130 mm
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 ?
A load is raised 11 ft by the gears and wheel system below. Gear A is initially rotating at rest and accelerates uniformly to omega = 24 rpm in t= 10 sec and maintain then maintain this constant 24 rpm speed. The dimensions are rA= 1 in, rB= 9 in and rC=16 in. 2) After 10 sec, find the distance s2 in feet and in NC es needed to reach the 11 ft, find thetaC2(t), alphaA2, alphaB2 in rad/s^2, omegaA2(t), omegaB2(t) in rad/s, thetaA2(t), in rad and the distance s2 in ft that should be made to get to the 11 ft raising distance of the load. 3) Deduce the number of revolutions made by gear A and how long it will take, to raise the load up to 11 ft.
Determine the angular velocity of the slotted link AC at this instant measured counterclockwise. The disk rotates with the angular motion shown. The peg at Bis fixed to tho disk. Suppose that w-6 rad/s, a= 10 rad/s, r=0.6 m, and a= 1.05 m. (Ekure 1) Express your answer using three significant figures. Enter positive value if the angular velocity is and negative value if the angular velocity is clockwise. wAC = 0 rad/s Subimil Previous Answers v Correct Figure 1 of 1 Part B Determine the angular acceleration of the slotted link AC at this instant measured counterdockwise. 30 Express your answer using three significant figures. Enter positive value if the angular acceleratie counterclockwise and negative value if the angular acceleration is clockwise. AE it vec rad/s Submit Previous Answers Request Answer
Bar AB is rotating about A with an angular velocity of wAB 2 rad/s counterclockwise. At this instant bar BC is horizontal. Find the Wac and also, velocity of collar C. Note. You must solve the problem in the way that we solved in the class. Use Vg VA+ wX TB/A and express the vectors in Cartesian vector form. Other solutions will not be evaluated. Solve the problem step by step, and clearly show your work. 25 35 mm 170 mm
-S R For the slider-crank mechanism shown, let R = 1.9 in., L = 6.1 in., and H= 1.2 in. Assuming that WAB= 4850 rpm and is constant, determine the acceleration of point D at the instant when = 10°. (Round the final answer to the nearest whole number. Include a minus sign if necessary.) B AWAB αAB L H Ĵ View previous attempt The acceleration of point D is ap ft/s² for ₁ = 56.12°. The acceleration of point Dis ap ft/s² for 82 = 360° - 0₁. = = Check my work -86.250 î+ 3)
Link AB has the angular velocity wAB = 4 rad/s and angular acceleration AB = 5 rad/s² (Figure 1) Figure Part A D 0.5 m 0.5 m C AB AB B 1 m 1 m 13 < 1 of 1 Determine the angular acceleration of link CD measured counterclockwise. Express your answer in radians per second squared to three significant figures. Enter positive value if the angular acceleration is counterclockwise and negative value if the angular acceleration is clockwise. View Available Hint(s)
The bar BC in the figure (Figure 1) rotates with an angular velocity w = 6 rad/s and an angular acceleration a = 9 rad/s². Figure 0.3 m Part A Part B ال لها OD Part C Determine the angular velocity of link AB Express your answer in radians per second squar Part D 0.5 m AB= α Determine the angular velocity of the wheel at this instant. Express your answer in radians per second squared to ti Submit CO VE ΑΣΦΑΛΙ VO ΫΠ' ΑΣΦ 11 vec ΫΠ' ΑΣΦ B Determine the angular acceleration of link AB Express your answer in radians per second squared to three s VE ΑΣΦ Α41 It Request Answer < 1 of 1 0.4 m vec već vec Determine the angular acceleration wheel at this instant. Express your answer in radians per second squared to three significan -0 BOLE 56218