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777dan777 [17]
3 years ago
6

Do this Q7 if someone do I will her or him brainliest

Chemistry
1 answer:
spayn [35]3 years ago
6 0

The average speed :

1. 10.44 m/s

2. 10.42 m/s

3. 9.26 m/s

The distance 100 m have the greatest average speed

<h3>Further explanation</h3>

Given

Distance and time of runner

Required

Average speed

Solution

<em>Average speed : total distance : taotal time</em>

1. d = 100 m, t = 9.58 s

Average speed : 100 : 9.58 = 10.44 m/s

2. d=200 m, t=19.19 s

Average speed : 200 : 19.19 = 10.42 m/s

3. d=400 m, t = 43.18 s

Average speed : 400 : 43.18 = 9.26 m/s

The distance 100 m have the greatest average speed

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