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4. If the plane (with velocity
v
) maintains its present course, and if the terrain continues its upward slope
of 4
.
3
◦
, then the plane will strike the ground after traveling
∆
x
=
h
tan
θ
=
35 m
tan 4
.
3
◦
=465
.
5m
≈
0
.
465 km
.
This corresponds to a time of ﬂight found from Eq. 2-2 (with

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**Unformatted text preview: **v = v avg since it is constant) t = ∆ x v = . 465 km 1300 km / h = 0 . 000358 h ≈ 1 . 3 s . This, then, estimates the time available to the pilot to make his correction....

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