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3 years ago

Why is it difficult to measure diameter accurately

1 answer:

8 0

Diameter is the longest part of the circle that can be measured by taking a line across the middle point of the circle. It's hard to measure diameter accurately because you can't know which was the middle point of the circle. You must draw an imaginary line and if you are missed your calculation will be less than it should be.

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The electric potential in a region of space is \[V=350/\sqrt{x ^{2}+y ^{2}}\] where x and y are in meters. what is the strength

VARVARA [1.3K]

So the given value or the formula in getting the electric potential region of space is V=350/sqrt of x^2+y^2. So the given data is x and y is equals to 2.6 and 2.8. So in my calculation i came up with an answer of 91.6

8 0

4 years ago

F=mg+v. how to check the validity

vlabodo [156]

TO CHECK THE VALIDITY OF

F = mg + v

https://brainly.in/question/12541980?utm_source=android&utm_medium=share&utm_campaign=question

this might help you

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3 years ago

kolezko [41]

Answer:

Doing it right now i’ll pm once done give me 5 minutes:)

Explanation:

5 0

3 years ago

The speed of light is around 3.000E5 km/s. It takes approximately 9.221 seconds for light reflected from the moon Vega to reach

laila [671]

Answer:

$d=2.77\cdot 10^6\ Km$

Explanation:

Speed

The speed is calculated as the ratio of the distance d by the time t:

$\displaystyle v=\frac{d}{t}$

If we need to calculate the distance, the equation is solved for d:

d=v*t

The speed of light is

$v=3\cdot 10^5\ Km/s$

It takes t=9.221 seconds for light reflected from the moon Vega to reach planet Xartan.

We can calculate the average distance the light traveled:

$d=3\cdot 10^5\ Km/s*9.221$

$d=2,766,300\ Km$

Or, in scientific notation:

$\mathbf{d=2.77\cdot 10^6\ Km}$

6 0

3 years ago

In our new car, we were able to drive 30 miles in a half an hour. From this information, we can determine the car's

Nonamiya [84]

I am pretty sure that according to the information represened above, we can determine the car's speed. It is usual thing in physics tasks and when we are provided with such values, we can immediately reveal the characteristic of the speed. Hope it helps!

6 0

3 years ago

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