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A 20-kg object is resting at the top of a table 1.6 m above ground level. The object is then picked up and moved to a height of 8.7 m above ground level. What is the change in the gravitational potential energy of this object? Use g = 10 m/s2.
Ship's Log Book
A record book maintained by the ship's captain or other officers to document every detail about a voyage, including weather conditions, navigational course, and events at sea.
Oilskin Boots
Waterproof boots made from canvas treated with oil, designed to keep feet dry in wet conditions.
Seaquake
An underwater earthquake, often causing significant disturbances in the sea, such as tidal waves or changes in sea level.
Arthur Conan Doyle
A British writer best known for creating the character Sherlock Holmes, a detective featured in a series of novels and short stories.
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