Answers

2014-06-25T14:17:19+05:30
Rate of decrease of altitude=1.5m/s
altitude decreased in one minute=1.5m/s x 1min
                                                =  1.5m/s x 60s
                                               =90m
initial altitude      = 200m
final altitude        =200m-90m
                          =110m

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2014-06-25T23:08:35+05:30

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Rate of decrease in altitude =1.5m/s
altitude decreased in 1 minute=1.5m/s x 1min
                                                =  1.5m/s x 60s
                                               =90m
initial altitude      = 200m
final altitude        =200m-90m
                          =110m
i think it is the answer
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