The beta decay of cesium-137 has a half-life of 30 years
The beta decay of cesium-137 has a half-life of 30 years. How many years must pass to reduce a 25 mg sample of cesium 137 to 8.7 mg?
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a soccer ball is kicked with an initial horizontal velocity of 190 ms and an initial vertical velocity of 130 ms1 what
a soccer ball is kicked with an initial horizontal velocity of 190 ms and an initial vertical velocity of 130 mshow far
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the beta decay of cesium-137 has a half-life of 30 years how many years must pass to reduce a 25 mg sample of cesium
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1 when two atoms of 2h are fused to form one atom of 4he the total energy evolved is 383 times 10-12 j what is the
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