A plane lands with a velocity of 120 m/s and accelerates at a maximum rate of -4.0 m/s2. From...
A plane lands with a velocity of 120 m/s and accelerates at a maximum rate of -4.0 m/s2.
(a)From the instant the plane touches the runway, what is the minimum time needed before it can come to rest?
(b)What is the minimum distance the plane needs to land?
Homework Answers
u = 120 m/s
a = -4 m/s2
a.
v = u + at
0 = 120 -4t
time = t = 30 s
b.
v2 = u2 + 2as
0 = 1202 - 2 x 4 x s
Distance = s = 1800 m
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