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mechanics...help!!!!!

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nid404:
A car comes to a stop from 30m/s in a distance of 804m. The driver brakes so as to produce a deceleration of 1/2 m/s2 to begin with, and then brakes harder to produce a deceleration of 3/2 m/s2. Find the speed of the car at the instant when the deceleration is increased, and the total time the car takes to stop


HELP!!!

astarmathsandphysics:
At the and it shoulb be8+36=44 second to stop

nid404:
 ;D thanks

mousa:

--- Quote from: astarmathsandphysics on October 16, 2009, 10:38:42 am ---At the and it shoulb be8+36=44 second to stop

--- End quote ---

Thanks alot astar!!

sanity_master:
wanted to make a new topic...but if this is still working then i shall post my request here.....


would someone plz post the formulas that r in our syllabus nd we need to use in the exam??

cuz i just noticed that i missed some of them during my study.......so i just need the list

anyone?? :)

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