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dexar [7]
3 years ago
7

Which of the following is a chemical change

Physics
2 answers:
alina1380 [7]3 years ago
5 0
What are the options u can't say that and expect me to know wat u talkin bout
mel-nik [20]3 years ago
5 0

I'm guessing the answer choices are:

A. ice melting

B. ice being carved

C. water boiling

D. water breaking down into hydrogen and oxygen

The answer, if any of these choices, would be C

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Would a larger, more heavier ball fall faster than a smaller and lighter ball?
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the larger-heavier would fall faster than lighter-smaller ball

Explanation:

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What would you use to stop itches from a bite
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A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. relat
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<span>d.rotating counterclockwise and slowing down This is a matter of understanding the notation and conventions of angular rotations. Positive rotations are counter clockwise and negative rotations are clockwise. An easy way to remember this is the "right hand rule". Make a closed fist with your right hand and have the thumb sticking outwards. If you orient your thumb such that it's pointing in the direction of the positive value along the axis, your fingers will be curled in the positive rotational direction. So in the described scenario, the sphere is rotating in the positive direction (counter clockwise) and decelerating due to the negative angular acceleration. That immediately indicates that options "a", "b", and "e" are wrong since they mention the sphere going clockwise at the beginning. Of the two remaining options "c" and "d", we can discard option "c" since it has the rotation speeding up, and that leaves us with option "d" where the sphere is rotating counter clockwise and slowing down.</span>
7 0
3 years ago
Miswer
quester [9]

Answer: 4.0

Explanation:

5 0
2 years ago
A point P1 is located by the vector A = (3.74)î + (1.64)ĵ and a point P2 is located by the vector B = (1.60)î + (3.66)ĵ. The vec
seropon [69]

Answer:

\vec{C} = ( \ - 2.14 \ , \ 2.02 \ )

Explanation:

The vector that point from point P1 to point P2 its found simply by taking the vector at which point P2 its located and subtracting the vector at which point P1 its located:

\vec{C} = \vec{B} - \vec{A}

So:

\vec{C} = ( \ 1.60 \ , \ 3.66 \ ) - ( \ 3.74 \ , \ 1.64 \ )

\vec{C} = ( \ 1.60 \ - \ 3.74 \ , \ 3.66 \ - \ 1.64 \ )

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3 years ago
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