In the figure, Michelle is inside a lift on the ground floor. Tony is 11 m 9lor away from Michelle. Then, the lift begins to move upwards with a speed of x m/s, while Tony walks towards the lift horizontally at a speed of (x - 2) m/s. 3 seconds later, the distance between Tony and Michelle is 13 m. Find the value of x. (Michelle Tony x m/s (x- 2) m/s 11 m

In the figure, Michelle is inside a lift on the ground floor. Tony is 11 m 9lor away from Michelle. Then, the lift begins to move upwards with a speed of x m/s, while Tony walks towards the lift horizontally at a speed of (x - 2) m/s. 3 seconds later, the distance between Tony and Michelle is 13 m. Find the value of x. (Michelle Tony x m/s (x- 2) m/s 11 m

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

In the figure, Michelle is inside a lift on the ground floor. Tony is 11 m
away from Michelle. Then, the lift begins to move upwards with a
speed of x m/s, while Tony walks towards the lift horizontally at a
speed of (x - 2) m/s. 3 seconds later, the distance between Tony and
Michelle is 13 m. Find the value of x.
50.
Michelle
Tony
x m/s
(x - 2) m/s
11 m

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