The balloon A is ascending at rate v, and is being carried horizontally by the wind at vyw. If a ballast bag is dropped from the balloon when the balloon is at height h, determine the time needed for it to strike the ground. Assume that the bag was released from the balloon with the same velocity as the balloon. Also, with what speed does the bag strike the ground?

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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12-82

Problem 12-82
The balloon A is ascending at rate v, and is being carried horizontally by the wind at vyr. If a
ballast bag is dropped from the balloon when the balloon is at height h, determine the time
needed for it to strike the ground. Assume that the bag was released from the balloon with the
same velocity as the balloon. Also, with what speed does the bag strike the ground?
Given:
VA
km
"A = 12
hr
km
Vw = 20
hr
h = 50 m
g = 9.81
Solution:
Transcribed Image Text:Problem 12-82 The balloon A is ascending at rate v, and is being carried horizontally by the wind at vyr. If a ballast bag is dropped from the balloon when the balloon is at height h, determine the time needed for it to strike the ground. Assume that the bag was released from the balloon with the same velocity as the balloon. Also, with what speed does the bag strike the ground? Given: VA km "A = 12 hr km Vw = 20 hr h = 50 m g = 9.81 Solution:
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