Asked by An
An automobile traveling along a straight road increases its speed from 67 ft/s to 85 ft/s in 180 ft. If the acceleration is constant, how much
time elapses while the auto moves the 180 ft? Answer in units of s. Can you tell me the steps in doing this?
time elapses while the auto moves the 180 ft? Answer in units of s. Can you tell me the steps in doing this?
Answers
Answered by
bobpursley
vf^2=vi^2 + 2 a d
solve for a
then
d=vi*t+1/2 a t^2 solve for time with d=180ft
solve for a
then
d=vi*t+1/2 a t^2 solve for time with d=180ft
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