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Exam question on motion

  • Thread starter mouk92
  • Start date
  • #1
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1. A Cyclist travelling at a speed of 4.2 ms^-1 accelerates at 1.1 ms^-2 in a time of 7.4 seconds. What is the distance travelled???


2. Homework Equations ????



3. The Attempt at a Solution : The answer is 61m but i dont know how to get that answer
 

Answers and Replies

  • #2
Cyosis
Homework Helper
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I would expect you to have seen [itex]s(t)=\frac{1}{2}at^2+v_0t+s_0[/itex]?
 
  • #3
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Yeh thanks i got it
 
  • #4
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When i was doing it i was squaring the whole of the at instead of just the t
 
  • #5
Cyosis
Homework Helper
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I see. You should really put that in the relevant equation section, that way people reading this forum could have seen what went wrong right away.
 
  • #6
6
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Yh sorry this was my first post but thanks anyway
 

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