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The average mass of half

What happens to the mass of a sample containing a radioactive element during its half-life?A. The mass decreases by half. B. The
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2. asked by Kalie
3. 690 views
The average mass of half the number of crabs in a basket is 350g, the average mass of the remaining crabs is 300g. If the total
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2. asked by joel
3. 464 views
A runner covers one lap of a circular track 40.0 m in diameter in 62.5s (a) for that lap what were her average speed and average
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2. asked by Sarah
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The mass of a gold coin was measured three times and each measurement was made to five digits. The mass values were 23.319g,
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2. asked by Anonymous
3. 2,836 views
When approximating the mass of a nebulae, what reference system is MOST appropriate?(1 point) Responses Half the mass of our
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2. 17 views
To find the net mass of something do you subtract the average mass of an empty can from the average mass of cans of regular
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2. asked by LAUREN
3. 482 views
The average mass of 3 boys is 58 kg. The average mass of 2 girls is 47 kg. Find the average mass of the 5 childrens.
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2. asked by Ncm
3. 86 views
Suppose you wish to average 40 mph on a trip and find that when you are half the distance to your destination you have averaged
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2. asked by 123
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Element L has an average atomic mass of 54.2488 amu and is composed of two isotopes. The first has a mass of 55.2036 amu and
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2. asked by Star
3. 698 views
The average mass of a group of children is 36kg. If 3/7 of the no. of children are girls and their average mass is 32 kg, find
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2. asked by Anonymous
3. 802 views