Question

TUZILLIONS
2
12
In the Olympic marathon final, a starting pistol is used to tell participating athletes when to start. A
spectator, (exceptionally good observer) sitting in the viewer gallery 365 m away sees the smoke from the
pistol 0.86 s before hearing the bang. What is the speed of sound in air
[2]
Water at 10°C is mixed with water at 50°C.State the principle
which is used to determine the results in​

Answer 1

Answer:

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Answer 2

Answer: A will be the answer

Explanation: