Q3) If motors A and B draw their attached cables as shown below with an acceleration of a = 0.21 m/s; where t is in seconds, determine the speed of the block when it reaches h= 4 m, starting from the rest. How much time does it take to reach this height? »block motor A motor B

Q3) If motors A and B draw their attached cables as shown below with an acceleration of a = 0.21 m/s; where t is in seconds, determine the speed of the block when it reaches h= 4 m, starting from the rest. How much time does it take to reach this height? »block motor A motor B

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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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Q3) If motors A and B draw their attached cables as shown below with an acceleration of a = 0.2t m/s";
where r is in seconds, determine the speed of the block when it reaches h= 4 m, starting from the rest. How
much time does it take to reach this height?
» block
motor A
motor B

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