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Naddika [18.5K]
3 years ago
12

Please help me, anyone????

Physics
1 answer:
sergeinik [125]3 years ago
7 0

Answer:

I don't exactly understand this but the child should hear a beep lower than 500 hz when he/she moves the car further away. If you don't find my answer appealing sorry but I don't do physics.

Explanation:

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