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lorasvet [3.4K]
3 years ago
6

Explain two reason why SI is easier than the English System.

Physics
1 answer:
kifflom [539]3 years ago
5 0

Answer:

There are several reasons why SI is preferred to the old English system of measurement: ... SI uses base 10, just like our number system, so it is much easier to learn, remember and convert between units. The prefixes used in SI are from Latin and Greek, and they refer to the numbers that the terms represent.

Explanation:

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Kamila [148]

The concept of momentum tells us that it is equivalent to the product between the mass and the velocity of the object, that is to say that in general it can be written as

p = mv

Where,

m = mass

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m = 0.145kg

v = 67mi/h = 30m/s

Replacing we have that,

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Therefore the magniude of the momentum of the pitched baseball is 12.45 kg\cdot m/s

6 0
3 years ago
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A ball rolling along a floor doesn't continue rolling indefinitely. is it because it is seeking a place of rest or because some
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It is because gravity is pushing down on the ball
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LuckyWell [14K]

Answer:

The linear speed of scratch is 45.55 cm/dec

Explanation:

The scratch located from the center at radial distance = 14.5 cm.

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Angular \ velocity, \ w \ = \frac{2 \pi  \times RPM}{60} \\

w  =  \frac{2 \pi  \times 30}{60} = \pi  \ rad/dec \\

Linear \ velocity = wr \\

r = radial \ distance \\

v = \pi \times 14.5 \\

v = 45.55 cm/dec

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