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Hard Isaac Newton

What concept did Isaac Newton derive for a projectile to leave Earth's gravity?

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Hard Isaac Newton

What value did Isaac Newton calculate for the speed of sound in air?

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Intermediate Isaac Newton

Who preceded Isaac Newton as Lucasian Professor at Cambridge?

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Intermediate Isaac Newton

What was the subject of Isaac Newton's first scientific paper in 1672?

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Intermediate Isaac Newton

What did Isaac Newton call his version of calculus?

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