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Beryl (m=45kg) is standing in an elevator that is moving vertically upward at a speed of...

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Physics

Beryl (m=45kg) is standing in an elevator that is movingvertically upward at a speed of 3 m/s. 1.5 s later, the elevatorand Beryl are moving vertically downward at a speed of 5 m/s.Beryl's feet remain in contact with the elevator's floor at alltimes, and that is Beryl's only point of contact with the elevator.(The y axis is vertical and positive upward)

What is the y-component of Bery;'s acceleration during that timeinterval?

What is the magnitude of Beryl's weight?

What is the magnitude of the normal force that the elevatorexerts on Beryl during that time interval?

Answer & Explanation Solved by verified expert
4.0 Ratings (427 Votes)
Solution Mass of Beryl m 45 kg Initial velocity of Beryl u 3 ms vertical upward positive Final velocity of Beryl v 5 ms vertically downward velocity negative Time interval of acceleration a is t 15 s The y component of    See Answer
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