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I need help. Pls explain fully thanks

I need help. Pls explain fully thanks
163k views
5 votes
I need help. Pls explain fully thanks

I need help. Pls explain fully thanks-example-1
User Alve
by
8.3k points

1 Answer

2 votes
Answer: 50j



Why? It is because 400J energy comes in


350 J of the energy heats


And the rest of it 50 J is used to make the sound
User Chris Degnen
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