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A moving boat is observed from the top of a cliff of 150 m
height. The angle of depression of the boat changes from 60° to
46° in 2 minutes. What is the speed of the boat in metres per hour?
A moving boat is observed from the top of a cliff of 150 m height. The angle of depression of the boat changes from 60° to 46° in 2 minutes. What is the speed of the boat in metres per hour?
Options
Correct Answer
A. 4500 3
- Exam
- NDA
- Language
- English
- Year
- 2016
- Difficulty
- 1/5
- Section
- Mathematics
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