Asked by jill
if a motorcycle accelerates from rest through the 400 m in 10 sec flat. What is its acceleration?
Answers
Answered by
Rose
a = (deltav)/t
= (d/t)/t
=(400/10) / 10
=4m/s
:)
= (d/t)/t
=(400/10) / 10
=4m/s
:)
Answered by
drwls
Both the numerical value and the dimensions of Rose's answer are wrong.
d/t (in her answer) is the average velocity, not the final velocity or deltav.
Although we do welcome the help of others, be skeptical of answers not posted by Jiskha staff
(1/2) a t^2 = 400 m
a = 2*400 m*/(10s)^2 = 8 m/s^2
d/t (in her answer) is the average velocity, not the final velocity or deltav.
Although we do welcome the help of others, be skeptical of answers not posted by Jiskha staff
(1/2) a t^2 = 400 m
a = 2*400 m*/(10s)^2 = 8 m/s^2
Answered by
sooraj
acceleration=v-u/t
=400-0/10
=400/10
=40m/sec
=400-0/10
=400/10
=40m/sec
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