Asked by Joe
A race car constantly accelerates from 0 to 100 m/s,south in 12.5 s.
A)What is the car's acceleration vector?
B) How far does it travel in that time interval?
C) What is its average velocity?
A)What is the car's acceleration vector?
B) How far does it travel in that time interval?
C) What is its average velocity?
Answers
Answered by
bobpursley
I will be happy to critique your thinking.
Answered by
Joe
I do not know where to start
Answered by
David
You should start by listing the given information.
vi = 0
vf = 100 m/s
t = 12.5s
a = (vf-vi)/t
A). a = (100m/s - 0m/s)/12.5 s
a = 8.00 m/s^2
B). You can use several equations for this question. I'm going to use: d = (vf + vi)/2 * t.
d= (100m/s + 0m/s)/2 * 12.5 s
d= 625m
C). Vave = d/t
Vave = (625m/12.5s)
Vave = 50 m/s
I do realize that this answer is 4 years late! :D, but maybe it'll help someone else.
vi = 0
vf = 100 m/s
t = 12.5s
a = (vf-vi)/t
A). a = (100m/s - 0m/s)/12.5 s
a = 8.00 m/s^2
B). You can use several equations for this question. I'm going to use: d = (vf + vi)/2 * t.
d= (100m/s + 0m/s)/2 * 12.5 s
d= 625m
C). Vave = d/t
Vave = (625m/12.5s)
Vave = 50 m/s
I do realize that this answer is 4 years late! :D, but maybe it'll help someone else.
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