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Motion with Constant Acceleration

  • Thread starter JustGracie
  • Start date
  • #1
1. The problem
A motorcyclist slows down uniformly as he approaches a red light. He takes 3.2 seconds to come to a halt and travels 40m in this time.
How fast was he travelling initially?


Homework Equations



s=(u+v)/2*t
 

Answers and Replies

  • #2
46
0
Any other kinematic equations? If you can find his acceleration, I bet you could find his initial velocity.
 

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