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4 April, 06:02

A rocket is 1 mile above thw earth in 30 seconds and 5 miles above the earth in 2.5 minutes what is the rockets rate of change in miles per second what about miles per minute?

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  1. 4 April, 07:10
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    Rate of Change:

    At 1 mile in 30 seconds.

    At 5 miles in 2.5 minutes. 2.5 minutes = 2.5*60 = 150 seconds.

    Rate of change = Change in height / Change in time

    = (h₂-h₁) / (t₂-t₁)

    = (5 - 1) / (150 - 30) = 4/120 = (1/30) = 0.0333 miles per second.

    = (1/30) miles per second or 0.0333 miles per second.

    To have the answer in miles per minute.

    (1/30) miles per second = (1/30) miles/second.

    60 seconds = 1minute

    1 second = (1/60) minute.

    (1/30) miles/second = (1/30) miles / (1/60) minute

    = (1/30) * 60 miles / minute

    = 2 miles per minute.
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