Question
Asked Nov 3, 2019
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What constant acceleration is required to bring a rocket to an altitude of 650 meters [up] from rest in 7.2s? What is the rockets' velocity at that point?

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Expert Answer

Step 1

Given:

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s 650 t 7.2 s u 0 m/s

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Step 2

According to Newton equation of motion

Acceleration of the rocket

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1 s=ut at 2 1 s 0xt at 2 1 at 2 2s 2x650 (7.2) a 25 m/s2

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Step 3

According to Newton equation of motion

Velo...

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2 v(0)2x25x650 v2-32500 v=180.28 m/s

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