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tia_tia [17]
2 years ago
13

You might say that this experiment was an attempt to build a scale, and then calibrate it against a scale that we trust (the ele

ctronic scale). So as not to give away the answer to the preceding question, let's assume that we're talking about a different scale with the same design. Several trials are conducted, and the average and 95% confidence interval are calculated. The mass determined using this other balance scale does NOT agree with the mass measured on a digital scale. Is it possible that the balance scale and the electric scale are accurate, and the lack of agreement was just random?
Physics
2 answers:
hammer [34]2 years ago
8 0

Answer:

yes

Explanation:

Allushta [10]2 years ago
3 0

No.

Since repeated measurements are taken and the average and 95% confidence interval are calculated, the possibility of the lack of agreement being a random error has been minimized or even eliminated.

<h3>What is a random error?</h3>

Random error is defined as the deviation of the total error from its mean value due to chance.

Random errors can result from the instrument not being precise or from mistakes by the researcher.

Random errors can be minimized by taking multiple readings and averaging the results.

Since repeated measurements are taken and the average and 95% confidence interval are calculated, the possibility of the lack of agreement being a ransom error has been minimized.

Learn more about random errors at: brainly.com/question/22041172

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Two dogs fight over a bone. The larger of the two pulls on the bone to the right with a force of 42 N. The smaller one pulls to
tamaranim1 [39]

Answer:

Explanation:

A

35 N  Small Dog <=======BONE=========> Bigger Dog 42 N

B

Fnet = Large Dog - small dog The forces are subtracted because they are acting in opposite Directions.

Fnet = 42 - 35

Fnet = 7 N

C

m = 2.5 kg

F = 7 N

a = ?

F = m * a

7 = 2.5 a

a = 7 / 2.5

a = 2.8 m/s^2

4 0
2 years ago
Physics question, answer completely with work
Alenkasestr [34]

The force is 2.0 N east

Explanation:

The impulse exerted by a force is defined as the product between the force itself and the time interval during which the force is applied. Mathematically, it is equal to the change in momentum experienced by the object on which the force is acting:

I=F\Delta t = \Delta p

Where

I is the impulse

F is the force

Delta t is the time interval during which the force is applied

\Delta p is the change in momentum

In this problem,

\Delta t = 3.0 s is the time interval

I=6.0 N\cdot s (east) is the impulse

Therefore, the magnitude of the force is

F=\frac{I}{\Delta t}=\frac{6.0}{3.0}=2.0 N

And the direction is the same as the impulse (east).

Learn more about impulse and change in momentum:

brainly.com/question/9484203

#LearnwithBrainly

7 0
3 years ago
The long tube that moves food from the mouth to the stomach is called the __________.
AnnyKZ [126]
A the esophaguses!!!!!
3 0
3 years ago
Which moving object, in all likelihood,
Ilya [14]
The answer is b because ya its b
8 0
2 years ago
Read 2 more answers
Large amounts of water that quickly infiltrate soil on a sloped surface can
sergey [27]
A is the correct choice
7 0
3 years ago
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