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https://vle.mathswatch.co.uk/images/questions/question17117.png

question b only

 May 5, 2020
 #1
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substitue the values into the equation

 May 5, 2020
 #2
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v = u + at\

 

I'm assuming u is the initiatial velocity.

 

u = 3m/s

a = 1.5m/s^2

t = 7

 

v = 3 + 1.5*7 = 3 + 10.5 = 13.5

 

velcocity is 13.5 m/s

 

If you don't understand anything feel free to ask.

 May 5, 2020

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