A helicopter is flying on a height of 1500 m. Due to climate change, the pilot of the helicopter has decided to land on a helipad which is just below the helicopter at a height of 600 m from the ground. Taking upward movement of helicopter as positive and downward movement as negative. Find the distance of helipad from the helicopter?
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Solution

Idea of conventions : 1 Mark
Concept : 1 Mark
Result : 2 Marks

Upward movement is taken as positive while downward movement is taken as negative. Hence, from the question we can conclude that helicopter is moving downward. So, the distance of helipad from the helicopter will be negative integers.

$= - 1500 m + 600 m$

= - 900 m.

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