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What is his speed between 12 and 20 seconds of his journey?

What is his speed between 12 and 20 seconds of his journey?-example-1
User Tgeng
by
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1 Answer

5 votes

Answer:

= 0.25m/s

Explanation:

The formula of finding the speed, v is given by


v \: = (change \: in \: distance \: d)/(change \: in \: time \: t)

The change in distance from the graph is

∆d = (8 - 6)

= 2 m

The change in time from the graph is

∆d = (20 - 12)

= 8s

Substituting to our formula, we have


v \: = (2m)/(8s) \\ = (1)/(4) (m)/(s) \\ = 0.25 {m}s^( -1 )

Therefore, the speed v, of the journey between 12 and 20 second is 0.25m/s.

User HiredMind
by
4.1k points