Question

A multistorey building has parking floor .A lift moves at the rate of 4m per 15 sec .if lift start coming down from a height of 40 m then find posotion aftet 3 min

Answer 1

Step-by-step explanation:

3 min means 3 x 60 = 180 seconds 180 contains 180/15=12 times 15 means distance travelled is 12 times 4 m that is 48 m so lift will be 8 m below the groind floor

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