This thermal energy flows as heat within the box and floor, ultimately raising the temperature of both of these objects.
Answer:
3 m/s
Explanation:
Average Speed = 
Plug in the numbers, it will be (6m + 3m) divided by (2s + 1s), which is 9m/3s, which equals to 3m/s.
Answer:
charcoal is the correct answer
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