An owl has a mass of 4 kg. It dives to catch a mouse losing 800 J of gravitational potential energy. How high was the bird to begin with?
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Answer:
20.40m
Explanation:
Mgh= 4×9.8h= 800
h = 800÷ 4×9.8 = 200÷ 9.8= 20.40 m
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