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A fishing pole with a reel and a hook on the end is considered a complex machine. What simple machines are included? (I'm looking for 3)
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How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
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Which of the following units is not an official si unit
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Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.
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Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
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A fishing pole with a reel and a hook on the end is considered a complex machine. What simple machin...
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