A small airplane flying horizontally with a speed of 170 mi/hr at an altitude of 400 ft above a remote valley drops an emergency medical package at A. The package has a parachute which deploys at B and allows the package to descend vertically at the constant rate of 6.1 ft/sec. If the drop is designed so that the package is to reach the ground 46 seconds after release at A, determine the horizontal lead L so that the package hits the target. Neglect atmospheric resistance from A to B.
A small airplane flying horizontally with a speed of 170 mi/hr at an altitude of 400 ft above a remote valley drops an emergency medical package at A. The package has a parachute which deploys at B and allows the package to descend vertically at the constant rate of 6.1 ft/sec. If the drop is designed so that the package is to reach the ground 46 seconds after release at A, determine the horizontal lead L so that the package hits the target. Neglect atmospheric resistance from A to B.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Dynamics of Rigid Bodies
Please help ASAP. Rate will be given accordingly. Please write your answer on paper. Thank you so much.
Note: The tolerance is ±1 in the third significant digit.
t1 = 22.760 is incorrect
Transcribed Image Text:A small airplane flying horizontally with a speed of 170 mi/hr at an altitude of 400 ft above a remote valley drops an emergency medical package at A. The package has a parachute
which deploys at B and allows the package to descend vertically at the constant rate of 6.1 ft/sec. If the drop is designed so that the package is to reach the ground 46 seconds after
release at A, determine the horizontal lead L so that the package hits the target. Neglect atmospheric resistance from A to B.
Target
B
L
170 mi/hr
A
400'
Transcribed Image Text:Calculate the time t₁ at which the parachute opens.
B
Target-
Answer: t₁ =
L
sec
170 mi/hr
Al
I
400'
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