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bagirrra123 [75]
3 years ago
11

Help quick

Physics
1 answer:
Yanka [14]3 years ago
8 0

C it reduces the amount of useful work done on objects move it up the ramp

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If a sample of a radioactive isotope has a half-life of 1 year, how much of the original sample will be left at the end of the s
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