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anonymous
 4 years ago
a car is traveling in a straight line and decelerating at a constant rate. after 3.2 seconds it has traveled 88m and slowed to a speed of 27 m/s what is the initial speed i got 52 m/s
anonymous
 4 years ago
a car is traveling in a straight line and decelerating at a constant rate. after 3.2 seconds it has traveled 88m and slowed to a speed of 27 m/s what is the initial speed i got 52 m/s

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perl
 4 years ago
Best ResponseYou've already chosen the best response.0what does s and u stand for?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Put \[a=\frac{vu}{t}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0s distance u initial velocity

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0and the plug a back into the equation that is what i did but im not sure if my math is right

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0other people had like 97m/s which didnt make sense to me

perl
 4 years ago
Best ResponseYou've already chosen the best response.0v is final velocity, u is initial velocity

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Better use \[s=ut+\frac{1}{2}at^2\]

perl
 4 years ago
Best ResponseYou've already chosen the best response.0so youre using kinematic equations under the assumption that acceleration is constant

perl
 4 years ago
Best ResponseYou've already chosen the best response.0might as well write them all out :)

perl
 4 years ago
Best ResponseYou've already chosen the best response.0there are 4 kinematic equations under constant acceleration

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Gotto go i told everything would need to do this problem

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i used x=xknot+vknot(t)+.5a(t)^2 where x= position, v=velocity a=acceleration and t= time

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i solved for and the plugged it into v=vknot+a(t) and solved for vknot

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328860422815:dw
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