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love history [14]
3 years ago
5

9 m/s to a total stop. what is the objects acceleration

Physics
1 answer:
MAVERICK [17]3 years ago
5 0
We would need to know the time it took to slow to a stop.
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4 years ago
Three different people weight a standard mass of 2.00 g on the same balance. Each person obtains a reading of 2.32 g for the mas
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Answer: precise

Explanation:

Three different people weight a standard mass of 2.00 g on the same balance. Each person obtains a reading of 2.32 g for the mass of the standard. These results imply that the balance that was used is precise.

Precision can be defined as the closeness of measured values to each other, for a measuring equipment it is the closeness of the values of readings obtained at different times to each other. It does not necessarily means the measurements are accurate(closeness to the actual value). Therefore, in the case above where three different people measured the same mass on the same balance, and each of them obtained the same value which is different from the standard value. We can say the balance used is precise because the three readings are the same.

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3 years ago
Energy is the ability to___or___ matter​
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Energy is defined in science as the ability to move matter or change matter in some other way.

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3 years ago
You do 1,500j of work in using a hammer. the hammer does 825j of work on a nail. what is the efficiency of the hammer?
KATRIN_1 [288]
A tool or machine's work efficiency is represented by the ratio of the amount of energy exerted and the amount of work done by the object. Thus, if you exert 1500 J work and the hammer does 825 J, the work efficiency is 

Efficiency = \frac{825}{1500} = 0.55
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Answer: 55%

 
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3 years ago
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...

These genotypes can be used for:

genealogical DNA testing.

DNA paternity testing.

DNA profiling.

phylogenetics.

population genetics

hope this helped :)

6 0
3 years ago
Read 2 more answers
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