What is the top speed a freefalling object can reach called?

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Which river is dammed by the Hoover Dam?

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What mountain is the tallest point in Pakistan?

Where is Lake Como?

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Who was the Castle Rock DJ in the movie "Stand By Me"?

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During what war did thousands of Americans invade the shores of Normandy?

Which famous explorer was killed in the Hawaiian Islands in 1779?

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Where is the deepest land gorge in the US?