Asked by Anonymous
2. A car accelerates uniformly from +10.0 m/s to +40.0 m/s over a distance of 125 m. How long did it take to go that distance? Show all your work, including the equation used, given and unknown quantities, and any algebra required. Make sure your answer has the correct number of significant figures.
Answers
Answered by
a friend
G:vi=10.0, vf=40.0, deltax=125
U:time
E:deltax=1/2(vi+vf)time --> deltax/.5(vi+vf)=time
S: 125/.5(10.0+40.0)
S: 5.0 sec
that was the GUESS method. the G=givins, U=unkown, E=equation, S=solve, and S=solution.
deltax=the distance
vi=initial velocity
vf=final velocity
I hope this helped :)
U:time
E:deltax=1/2(vi+vf)time --> deltax/.5(vi+vf)=time
S: 125/.5(10.0+40.0)
S: 5.0 sec
that was the GUESS method. the G=givins, U=unkown, E=equation, S=solve, and S=solution.
deltax=the distance
vi=initial velocity
vf=final velocity
I hope this helped :)
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