Question

Every floor of a a story building is is 4 metre hi lift moves 2 metre per second how long will it take to move from 5 to 28 floor

Answer 1

For 4 to 14 lift has to travel 10 floors or 10×4 = 40 m. Since it travels 2m/s time taken will be

40 ÷ 2 = 20 Seconds

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Answer 2

Answer:

So from the base of 5th floor to 28th floor there is a distance of

(28-5)×4 [ i.e number of floor in between×4m}

=23×4=92 m

Lift travels with a speed of 2 m/s

time=$\frac{Distance}{speed}$

      =92/2

     =46 seconds