every floor of a building is 4m high. A lift moves 2m per second. How long will it take to move from 4th floor to 14th floor
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2
answer:
height of every building's floor =4m
lift moves =2m/second
how long lift would take to move from 4th floor to 14 floor=14-4=10
=10*2
=20seconds
Answered by
2
Answer:
each floor is 4 m long
and it takes 2 m/s
time take to cover 4 m= 2sec since 2 m is covered per second
the total no. of floors the lift have to move will be
14 - 4 =10
total length to be covered will be 10*4
= 40
and time taken will be 40*2
80 sec or 1 min 20 secs
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