1.A man on top of an observation tower observes a car moving at a uniform speed coming directly towards it.If it takes 30seconds for the angle of depression to change from 30° to 45°,how soon will the car reach the observation tower.Answer to nearest second.
Please answer with working.
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So total time taken is 15(√3+1)
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Komal2222:
30seconds is taken.The distance isn't 30metre.
30seconds is taken.The distance isn't 30metre.
It's the time not distance which is written
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