americle2004
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What’s the velocity of the balloon? Use . 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.

Respuesta :

12AbhishekVerma13
KE = [tex] \frac{1}{2} m {v}^{2} \\ [/tex]

[tex]3200 = \frac{1}{2} \times 400 \times {v}^{2} \\ 3200 = 200 \times {v}^{2} \\ \frac{3200}{200} = {v}^{2} \\ 16 = {v}^{2} \\ v = \sqrt{16} = 4 \: m {s}^{ - 1} [/tex]

Velocity of balloon will be 4 m/s.

!! Hope It Helps !!
Nunez15

Answer:

4m/s is the answer

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