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. B Target- L 170 mi/hr 400'
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. B Target- L 170 mi/hr 400'
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Calculate the time t₁ at which the parachute opens.
B.
Target-
Answer: t₁ =
L
sec
170 mi/hr
A
400'
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.
B.
Target-
170 mi/hr
A
400'
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