Question
Asked Oct 16, 2019
A sprinter accelerates from rest to 9.50 m/s in 1.28 s .
 
 
 

What is her acceleration in m/s2?

What is her acceleration in km/h2?
 
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Step 1

The acceleration is

у —и
]
а-
t
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у —и ] а- t

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Step 2

Substitute the values in equation (1) to fi...

(9.50m/s)-(0m/s)
a
1.28s
= 7.42m/s2
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(9.50m/s)-(0m/s) a 1.28s = 7.42m/s2

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