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Position and time interval of a particle

  • Thread starter mrssmth
  • Start date
  • #1
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Homework Statement


The position of a particle moving along the y axis has a position given by y = 0.20m + (8.0m/s) t - (10 m/s2) t2. is there any time interval during which the particle is not moving?


Homework Equations





The Attempt at a Solution


I said No but i'm not sure why exactly it is never moving.
 

Answers and Replies

  • #2
rl.bhat
Homework Helper
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There is one instant when the partical is not moving. Find dy/dt and equate it to zero to get that instant.
 
Last edited:

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