Question

An aeroplane was flying at a height of 1600 m. From the time it started to land, it made a change of 70 m in every
minute. How many minutes, it will take to descend to a height of 200km ?​

Answer 1

Answer:

From the time it started to land, it made a change of 70m in every minute. How many minutes will it take to descend to a height of 200m. Question 599014: An aeroplane was flying at a height of 1600m. From the time it started to land, it made a change of 70m in every minute.

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Answer 2

Explanation:

Decent distance: 1600m-200m = 1400m

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Decent time: 1400/70 = 20 minutes

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OR,

For 1 min it will descent by a height of 70m

To descend to a height of 200m it should descend a height of 1600−200=1400m

No. of minutes it will take=

70/1400

=20 min

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