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Elina [12.6K]
3 years ago
5

During a test, a solution placed on a sheet

Physics
1 answer:
suter [353]3 years ago
3 0

Answer:

B. Acidic

Explanation:

Neutral an Basic solutions wouldn't create any reaction

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The average speed for the whole test is 1.6 km / 20 sec = 0.08 km/sec. A graph of speed vs time would average out as a horizontal line at 0.08 km/sec from 1 sec to 21 sec. The area under it would be (0.08 km/s) x (20 sec) = 1.6 km.

Surprise surprise ! The area under a speed/time graph is the distance covered during that time !

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