An airplane is 2000 feet above sea-level at 2:02 P.M. and at 1400 feet at 2:05 P.M.
Its upward velocity component is
(A) 2000 ft/min.
(B) 200 ft/min
(C) -2000 ft/min
(D) -200 ft/min
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An airplane is 2000 feet above sea-level at 2:02 P.M. and at 1400 feet at 2:05 P.M.
Its upward velocity component is
(A) 2000 ft/min. No. It is coming down.
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What this question is about
An airplane is 2000 feet above sea-level at 2:02 P.M. and at 1400 feet at 2:05 P.M.
Its upward velocity component is
(B) 200 ft/min No. It is coming down.
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What this question is about
An airplane is 2000 feet above sea-level at 2:02 P.M. and at 1400 feet at 2:05 P.M.
Its upward velocity component is
(C) -2000 ft/min No.
Divide the change in altitude (- 600 ft)
by the time taken (3 min).
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An airplane is 2000 feet above sea-level at 2:02 P.M. and at 1400 feet at 2:05 P.M.
Its upward velocity component is
(D) -200 ft/min
Yes. Change in distance = - 600 ft.
Change in time = 3 min. (-600)/3 = -200.
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What this question is about