Velocity and displacement

  • Thread starter BonBon101
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  • #1
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Homework Statement



The acceleration a ms^-2 of a car is given by a=18t - 4 where t is the time in seconds.Derive expressions for the velocity v ms^-1 and the displacement x m if the initial velocity and displacement are both zero

Homework Equations





The Attempt at a Solution


would really appreciate any help with this.I have no idea where to start!Trying to get a sample answer so i can study it to past exam paper questions
 

Answers and Replies

  • #2
rock.freak667
Homework Helper
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Start with the definition of acceleration:

acceleration is the rate of change of velocity, so a= dv/dt.

If you replace 'a' by 'dv/dt' in your equation, can you find 'v'?
 

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