mahkelchadband0 mahkelchadband0

15-11-2021
Physics

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A hot air balloon with a mass of 400 kilograms moves across the sky with 3,200 joules of kinetic energy. The velocity of the balloon is meters/second

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hayrmarie hayrmarie

15-11-2021

Answer:

40m/s

Explanation:

E(k)=mv^2/2

v=√2E/m=40

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