Rate of Deceleration & Time Required

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



A truck traveling at 40.0 m/s decelerates uniformly to 20.0 m/s over a distance of 100 m. Determine the rate of deceleration and the time required for the truck to travel the 100 m.

Homework Equations



Deceleration=(original velocity-final velocity)/Time

The Attempt at a Solution

 

Answers and Replies

  • #2
Rather try and use
s=ut + [itex]\frac{1}{2}[/itex]at2
or
v2=[itex]\![/itex][itex]\:[/itex]u2+2as
 

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