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Alex rides on a bike that starts from rest and accelerates to a speed of 20 m/s in 8 seconds. What is Alex’s acceleration? with steps please
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Alex rides on a bike that starts from rest and accelerates to a speed of 20 m/s in 8 seconds. What is Alex’s acceleration? with steps please

User ATom
by
5.1k points

1 Answer

5 votes

Answer:

2.5m/s

Step-by-step explanation:

a =
((vf - vi))/(t)

vf = final velocity = 20m/s

vi = initial velocity = 0m/s (alex is starting "at rest")

a = acceleration =

t = time = 8s

a =
((20-0))/(8 ) = 2.5m/s

User Kamoy
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3.9k points
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