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3 years ago

7

Which of these would not improve accuracy?

2 answers:

fgiga [73]3 years ago

6 0

I think it’s D, mostly just because all the other ones seem like they couldn’t be the answer.

sweet [91]3 years ago

6 0

It’s not D, it’s B. Using a bigger range would mean there’s a greater expanse of answers, not a precise, accurate reading. Removing anamalies would make it more accurate- they’re results that don’t fit the pattern, so removing them would make the results even more results. Therefore, the answer is B. Hope this helps!

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olga nikolaevna [1]

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4 0

2 years ago

How does a higher heat capacity affect the amount of time it takes for an object’s temperature to change?

Alenkasestr [34]

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8 0

3 years ago

In a semiclassical model of the hydrogen atom, the electron orbits the proton at a distance of 0.053 nm. Part A What is the elec

Bezzdna [24]

Answer with Explanation:

We are given that

$r=0.053 nm=0.053\times 10^{-9} m$

$1 nm=10^{-9} m$

Charge on proton,q= $1.6\times 10^{-19} C$

a.We have to find the electric potential of the proton at the position of the electron.

We know that the electric potential

$V=\frac{kq}{r}$

Where $k=9\times 10^9$

$V=\frac{9\times 10^9\times 1.6\times 10^{-19}}{0.053\times 10^{-9}}$

$V=27.17 V$

B.Potential energy of electron,U= $\frac{kq_e q_p}{r}$

Where

$q_e=-1.6\times 10^{-19} c=$ Charge on electron

$q_p=q=1.6\times 10^{-19} C$ =Charge on proton

Using the formula

$U=\frac{9\times 10^9\times (-1.6\times 10^{-19}\times 1.6\times 10^{-19}}{0.053\times 10^{-9}}$

$U=-4.35\times 10^{-18} J$

8 0

2 years ago

A truck travels 1430 m uphill along a road that makes a constant angle of 5.76◦ with the horizontal.

Alex73 [517]

Answer:

The horizontal component of displacement is d' = 1422.7 m

Explanation:

Given data,

The distance covered by the truck, d = 1430 m

The angle formed with the horizontal, Ф = 5.76°

The displacement is a vector quantity.

The horizontal component of displacement is given by,

d' = d cos Ф

= 1430 cos 5.76°

= 1422.7 m

Hence, the horizontal component of displacement is d' = 1422.7 m

5 0

2 years ago

Can someone help me with this question

monitta

Answer:

hypothesis , hope it helps

Explanation:

7 0

3 years ago

Read 2 more answers