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06-03-2020
Mathematics

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An elevator moves at the constant speed of 2 m/s for most of its journey. Estimate the time to travel up a 12-story building in this elevator.

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06-03-2020

Answer:

21 seconds

Step-by-step explanation:

Let us assume each story is 3.5 meters. If the building is 12 stories tall, then the elevator needs to travel 3.5*12=42 meters. Using the formula Distance = Speed * time, we get 42 = 2 *t, so t = 21 seconds.

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