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An aeroplane flying horizontally at a height of 2500 m above t
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An aeroplane flying horizontally at a height of 2500 m above the ground is observed at an elevation of If after 15 seconds, the angles of elevation is observed to be find the speed of the aeroplane in km per hour.

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An aeroplane flying horizontally at a height of 2500 m above the ground is observed at an elevation of If after 15 seconds, the angles of elevation is observed to be find the speed of the aeroplane in km per hour.
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Question Text
An aeroplane flying horizontally at a height of 2500 m above the ground is observed at an elevation of If after 15 seconds, the angles of elevation is observed to be find the speed of the aeroplane in km per hour.