Vishal Asked a Question
January 7, 2020 7:57 ampts 50 pts
Q. A hydrogen filled balloon ascending at the raof 18 kmph was drifted by wind. Its angle of elevation at 10th and 15th minutes were found to be 60" and 45 respectively. The wind speed (in whole numbers) during the last five minutes, approximately, is equal to (a) 7kmph (c) 26kmph (b) 11kmph (d) 33kmph
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  • Yogeshbishnoi30 thankyou
    answer is 33kmph.. there will be two equations first being tan60=p¹/b¹ and second one is tan45=p²/b² we need to find the average velocity between last 5 mins. so the average veloci...
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