Question

y mouse number?
6. A multistorey building has parking floor at the basement. A lift
moves at the rate of 4 m per 15 seconds. If the lift starts coming
down from a height of 40 m, then find its position after 3 minutes.
In a mi camnetition 10 noints are awarded for every correct​

Answer 1

Answer:

Step-by-step explanation:

Lift speed = 4 m/ sec

lift initial position = 40 m height

Position after 3 minutes

1 minute = 60 secs

=> 3 minutes = 3 * 60 = 180 Secs

Lift moves in 15 Secs   =   4 m

=> Lift moves in 1 Sec  = 4/15  m

=> Lift will move in 180 secs = 180  * 4/15

=> Lift will move in 180 secs =  12 * 4  = 48 m

position of lift after 3 minutes = 40 - 48   = - 8m

=> lift position will be at depth of 8 m

lift position will be at depth of 8 m after 3 minutes

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