PHYSICS MIDDLE SCHOOL

Why is a single system measurements necessary throughout the scientific community

Answers

Answer 1
Answer: It is necessary because using different measures can lead to various issues that can even be deadly sometimes. An example can be if i tell you that something needs to be prepared to a 0 degrees, but i don't say that it should be 0 degrees celsius, you might get it to a zero degrees kelvin which is -273 celsius, a temperature where atoms stop moving completely. Or you might mix chemicals improperly and cause explosions.
Answer 2
Answer:

Answer:

Because it's more convenient

in order to proof a validity of a certain research conclusion, it need to be examined by other experts in similar field. If, the research is conducted with different system of measurement, the scientist who wants to review the conclusion first need to make additional effort to convert all the numbers into the measurement that they are familiar with.

Explanation:

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What characteristics of a force can be measured?

Answers

Direction and Strength can be measured of force 

How was the speed of light determined

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Answer:

Speed of light = 3 * 10 ^8 m / s. Speed is related to the distance and time and so its unit is in meters and seconds. The speed of light value mentioned above is the value calculated in vacuum or air with the help of lasers.

But when it comes to water, refractive index has to be taken into account.The speed of light is faster in vacuum than other mediums.
Presently, the speed of light in a vacuum is defined to be exactly 299,792,458 m/s (approximately 186,282 miles per second). . An early experiment to measure the speed of light was conducted by Ole Romer, a Danish physicist, in 1676. Using a telescope, Ole observed the motions of Jupiter and one of its moons, Io

How is net force determined if two students moving a piano exert force in the same direction

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The net force is determined is basically who is pushing harder in a specific direction.Like since there bith pushing in the same direction the net force is in the direction that they are pushing.

NEED ANSWER ASAP!!! When a person goes jogging and then stops her kinetic energy is destroyed leaving her with less energy than she had before.True or False​

Answers

Answer:

Both True and False

Explanation:

This is because after she stops she may be able to store more energy than she had before but when she start off she may not. Hope this helps.

Answer: Answer is (false)

Explanation:

bother are correct but you will absolutely be marked as wrong if you put true

If you cut across the diameter of a pie,what part are you cutting

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The diameter of a circle divides the circle into 2 equal parts, or halves.
If you cut across the diameter of a pie, you are cutting the crust.

Common units of measurement for speed.

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miles per hour (mph or miles/h), kilometers per hour (km/h), or meters per second (m/s).
Miles, kilometers, meters
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