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2. A child is flying a kite. The kite is 30 metres above the child's hand level and the wind is blowing it on a

2. A child is flying a kite. The kite is 30 metres above the child's hand level and the wind is blowing it on a horizontal course at 2 metres per second away from the child. How fast is the child releasing the cord when 50 metres of cord is out? (assume that the cord remains straight from the hand to kite).

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