The air transport B is flying witha constant speed of 400 mi/hr in a horizontal arc of 7.4-mi radius. When B reaches the position shown, aircraft A, flyingsouthwest at a constant speed of 300 mi/hr, crosses the radial line from B to the center of curvature C of its path. Write the vector expression, using thex-y axes attached to B, for the acceleration of A as measured by an observer in and turning with B.N7.4 mi480-4.1 mi-j) ft/sec2Answer: arel ( | iii

Write the expression of vector velocity of A.

Answered: The air transport B is flying witha…

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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The velocity of roller A is VA = 0.5 m/s to the right as shown, and this velocity is momentarily decreasing at a rate of 2 m/s2. Determine the corresponding value of the angular acceleration ? of bar AB as well as the tangential acceleration of roller B along the circular guide. The value of R is 0.6 m. B 15° R 3 2R R/2 VA
speed at B, tangential acceleration at B, total acceleration at B
The figure shows a rigid link AB of length 2 m which rotates anticlockwise about a fixed point at A at a rate of 2 rad/s, but which is decelerating in its rotation at 1 rad/s². At the instance of time shown in the diagram, with the link AB at 60 degrees to the horizontal, what is the y-component of the absolute acceleration of point B? (The positive sense of the x and y directions are given by the axes in the diagram). O O O O O w = 2 rad/s a = -1 rad/s² 7.93 m/s2 Don't Know -7.93 m/s² 5.93 m/s2 -5.93 m/s² B 60⁰
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The sphere P travels in a straight line with speed v= 10.3 m/s. For the instant depicted, determine the corresponding values of r and as measured relative to the fixed Oxy coordinate system. Assume x = 6.5 m, y = 4.6 m, p = 23° Answers: r = 0 = i i P m/s rad/s
Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. The car has a forward acceleration of a = 4.7 m/s2 without slipping its 630-millimeter diameter tires. Determine (a) the velocity (v) of the car when point P at the tire (corresponding to θ = 43° as shown) has zero horizontal component of acceleration. Also, compute for (b) the total acceleration at point P.NOTE: Use purely RMA Method for velocity and acceleration calculations.
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The air transport B is flying with a constant speed of 445 mi/hr in a horizontal arc of 9.1-mi radius. When B reaches the position shown, aircraft A, flying southwest at a constant speed of 310 mi/hr, crosses the radial line from B to the center of curvature C of its path. Write the vector expression, using the x-y axes attached to B, for the acceleration of A as measured by an observer in and turning with B. B 9.1 mi -5.0 mi- Answer: arel=(| i 49° VA er z i+ i j) ft/sec²
Current Attempt in Progress The speed of a car increases uniformly with time from 63 km/h at A to 103 km/h at B during 8 seconds. The radius of curvature of the hump at A is 60 m. If the magnitude of the total acceleration of the mass center of the car is the same at B as at A, compute the radius of curvature pg of the dip in the road at B. The mass center of the car is 0.74 m from the road. Assume PA = 60 m, h = 0.74 m. Answer:PB = m B PB
The speed of a car increases uniformly with time from 48 km/h at A to 107 km/h at B during 13 seconds. The radius of curvature of the hump at A is 50 m. If the magnitude of the total acceleration of the mass center of the car is the same at B as at A, compute the radius of curvature pg of the dip in the road at B. The mass center of the car is 0.53 m from the road. Assume PA = 50 m, h = 0.53 m. Answer: PB = i B PB m
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