Asked by Anonymous
A train is travelling at 15m/s. It accelerates at 3m/s² for 20 seconds. How far does the train travel in this time?
Answers
Answered by
bobpursley
vf=vi+at=15+3*20=75m/s good lord
vf^2=vi^2+2*a*d
d=(75^2-15^2)/6 m I think that is 900 m.
another way: average velocity=(vf-vi)/2+vi= 30+15=45m/s
distance=avg velocity*time=900m
vf^2=vi^2+2*a*d
d=(75^2-15^2)/6 m I think that is 900 m.
another way: average velocity=(vf-vi)/2+vi= 30+15=45m/s
distance=avg velocity*time=900m
Answered by
Abenezer
what is acc/n
Answered by
alizah
it’s 900meters y’all
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.