Asked by Jephthah
A train travelling at 20m/s undergoes a uniform retardation of 2m/s when the break are applied calculate the time taken when it comes to rest and the distance travelled from the place where the breaks are applied
Answers
Answered by
oobleck
v = 20 - 2t
t = 10 s
s(t) = 20t - t^2
s(10) = 20*10 - 10^2 = 100 m
t = 10 s
s(t) = 20t - t^2
s(10) = 20*10 - 10^2 = 100 m
Answered by
Alexzinnah
True
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