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In-s [12.5K]
3 years ago
5

Which set of measurements best represents accuracy if the true value is 6.80 kg? a 6.80 kg, 6.70 kg and 6.90 kg b 6.75 kg, 6.80

kg and 6.85 kg C 5.80 kg, 6.80 kg and 7.80 kg 6.10 kg, 5.99 kg and 6.11 kg ​
Physics
1 answer:
scoundrel [369]3 years ago
8 0

Answer:

<h3>6.80kg, 6.70kg and 6.90kg.</h3>

Explanation:

To get the set of measurements that best represents accuracy if the true value is 6.80 kg, we will find the mean of the set of numbers and chech which is equal to 6.80kg

According to the set of data 6.8kg, 6.7kg and 6.9kg

Mean = sum of the number/sa mple size

Sum of the numbers = 6.8+6.7+6.9 = 20.4

sample size = 3

Mean of the set of measurement = 20.4/3

Mean of the set of measurement is 6.80kg

Since the answer is 6.8kg, hence set of measurements that best represents accuracy are 6.80kg, 6.70kg and 6.90kg.

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The fact that all phones are slightly different but achieve same primary goal tells us about technology that there can be many different design solutions to address a single problem (option D).

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According to this question, many different companies have produced cell phones through technological applications. Although all of the phones are slightly different, they all achieve the same primary goal.

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2 years ago
How much work is done by an applied force to lift a 45 newton block 6.0 meters at a constant speed ?
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Answer:

270Joues

Explanation:

Step one:

given data

Force F= 45N

distance moved d= 6m

Required

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Step two:

We know that the expression for the work done is

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WD= 45*6

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3 years ago
Help me plz science middle school
elena55 [62]

The correct answer is A. He created a way of naming organisms based on genus and species

Explanation:

Carl Linnaeus created a simple but precise system for naming organisms of any species and kind. This system was known as binomial nomenclature and the names of organisms depend on two main elements: the genus and the species. The first element is a broad category that covers species with a common origin, and the second one is the species, which describes organisms that can reproduce and share many common features including DNA sequence. According to this, the correct answer is A.

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4 years ago
Photons of wavelength 65.0 pm are Compton-scattered from a free electron which picks up a kinetic energy of 0.75 keV from the co
DIA [1.3K]

0.6764*10^-10m

Explanation:

Using E= hc/wavelength

(4.14x10^-15)x(3.0x10^8)/(65x10^-12)=0.1911x10^5 eV=19.1 keV

So subtract the calculated energy from the given energy of scattered photons

9.11-0.75=18.36 keV

To find wavelength

Wavelength= hc/ E

[(4.14x 10^-15)x (3.0x10^8)]/(18.36*10^3) =0.6764^-10 m

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3 years ago
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Force against

Hope that helped :)


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4 years ago
Read 2 more answers
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