Find the rate of change of θ w.r,t time

2008-07-29 4:04 am
A rocket C rises vertically at 800m/s from a point A. a man standing at
B,which is 6000m from A, is watching the rocket.Let angle ABC=θ
Find the rate of change of θ w.r,t time when
a) AC=6000
b)AC=0

PLZ show the steps

回答 (1)

2008-07-29 4:28 am
✔ 最佳答案
please refer to the following solution:

圖片參考:http://hk.geocities.com/stevieg_1023/rocket.gif


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