How Can I Determine the Mass of a Penny Using Data from 26 Envelopes?

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In summary, the conversation discusses an experiment where the weight of 26 envelopes with varying numbers of pennies is measured and arranged in order from least to greatest. The goal is to find the weight of one penny without knowing the number of pennies in each envelope. The conversation suggests using a graph to show a straight line relationship between the weight and position of the envelopes, which can help determine the change in mass for an increase of one penny. This experiment is similar to Milikan's experiment.
  • #1
dcgirl16
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i was given 26 envelopes each with a different number of pennies inthem. I weighed each envelope and the mass of the empty one. THen i subtracted the mass of the enveleope and put the mass in order from least to greatest. Using this information i need to find the mass of one penny, even tho i don't have the number of pennies in the envlopes. THis lab is supposed to represent milikans experiment. THe only thing i have figured out is that if you take the first mass and multiply it by 1.013 you get the next mass and then you multiply that and get the next one. Except i don't know how to usethis info what else can i do.
 
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  • #2
dcgirl16 said:
i was given 26 envelopes each with a different number of pennies inthem. I weighed each envelope and the mass of the empty one. THen i subtracted the mass of the enveleope and put the mass in order from least to greatest. Using this information i need to find the mass of one penny, even tho i don't have the number of pennies in the envlopes. THis lab is supposed to represent milikans experiment. THe only thing i have figured out is that if you take the first mass and multiply it by 1.013 you get the next mass and then you multiply that and get the next one. Except i don't know how to usethis info what else can i do.
Once your masses of envelope contents are arranged in order, you can arrange those numbers on a rectangular grid (a graph) with the mass on one axis and the position of the mass on the second axis with the positions chosen so that the data points form a straight line that goes through the origin. The positions should be positve integer multiples of one grid distance. When the line has been formed, you should be able to deduce the change in mass for an increase of one penny.
 
  • #3


I would suggest using the data you have collected to create a graph or table to visually represent your results. This can help you see any patterns or relationships between the masses of the envelopes. From there, you can use mathematical techniques such as regression analysis to determine the mass of one penny. Additionally, you can conduct further experiments by adding more envelopes with different numbers of pennies to improve the accuracy of your results. This will also allow you to test the validity of your calculations and determine the margin of error. Overall, it is important to approach this task with a scientific mindset, using data analysis and experimentation to accurately determine the mass of one penny.
 

Related to How Can I Determine the Mass of a Penny Using Data from 26 Envelopes?

What is the process for finding the mass of a penny?

The process for finding the mass of a penny involves using a scale or balance to measure the weight of the penny. The weight is then converted to mass by dividing it by the acceleration due to gravity.

Why is it important to know the mass of a penny?

Knowing the mass of a penny is important for a variety of reasons. It can be used to determine the density of the material the penny is made of, as well as its composition. It can also be used in scientific experiments and calculations.

What is the standard mass of a penny?

The standard mass of a penny is 2.5 grams. However, due to manufacturing variations and wear and tear, the mass of a penny may vary slightly from this standard.

What unit is used to measure the mass of a penny?

The mass of a penny is typically measured in grams (g) or milligrams (mg). In some cases, it may also be measured in ounces (oz) or pounds (lbs).

Can the mass of a penny change over time?

Yes, the mass of a penny can change over time due to factors such as wear and tear, corrosion, and dirt build-up. However, these changes are usually minimal and may not significantly affect the overall mass of the penny.

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