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A certain radioactive isotope has a half-life of approximately 900 years. How many years to the nearest year would be required for a given amount of this isotope to decay to 30% of that amount?
Answers: 2
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Select the correct answer. brian is repairing an old alarm clock. he needs to replace a device that converts the electric energy into sound energy. which of these devices should he use? a. battery b. buzzer c. motor d. switch
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How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?
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An impulse is the product of the on an object and time during which it is applied
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Physics, 23.06.2019 06:30
Jaylen is a championship runner of the school's track team. during one of his trials, his speed was measured at 15.1 m/s. find jaylen's kinetic energy during that trial if his mass is 54.6 kg.
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A certain radioactive isotope has a half-life of approximately 900 years. How many years to the near...
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