Figure 1 below is a diagram showing two cars, A & B, travelling along a straight road, and also a stationary observer at the side of the road (in bottom left-hand corner). Assume that moving from the left to the right along the road is in the positive direction and that moving from right to left the negative direction. A B Figure 1. Cars travelling along a road In each of the following scenarios, the velocities of each car are provided. Determine the velocities of Car A, Car B and the Observer from the perspective of (a) the Observer, (b) Car A and (c) Car B: VELOCITY (km/hr) 0 30 SCENARIO OBJECT Observer Car A

Figure 1 below is a diagram showing two cars, A & B, travelling along a straight road, and also a stationary observer at the side of the road (in bottom left-hand corner). Assume that moving from the left to the right along the road is in the positive direction and that moving from right to left the negative direction. A B Figure 1. Cars travelling along a road In each of the following scenarios, the velocities of each car are provided. Determine the velocities of Car A, Car B and the Observer from the perspective of (a) the Observer, (b) Car A and (c) Car B: VELOCITY (km/hr) 0 30 SCENARIO OBJECT Observer Car A

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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23. The programmer used three-point method to set up an accurate UF[3] on the part reference surface by sequentially recording points 1, 2, and 3 that are specified on the part reference surface for the three-points method in the robot system. If the programmer recorded three points used by the three-point method in the sequence of points 1, 3, 2 rather than point 1, 2, 3, then (a) the direction of x-axis is not changed (b) the direction of z-axis of UF[3] is changed (c) UF[3] setup is not accurate relative to the part reference surface (d) the origin of UF[3] is changed 24. The programmer preciously recorded all robot points P[n] for a robot task program. However, it is found that during the execution of the robot program, the robot TCP can't always precisely reach to each recorded point. Which of the following statements is correct: (a) The robot has poor accuracy (b) the robot has poor repeatability
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