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bezimeni [28]
3 years ago
7

Please Help Me!!!

Physics
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

There are the molecular changes water undergoes

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A stone is dropped from a cliff. What will be its speed when it was fallen 100 m?
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final velocity will be44.72m/s

Explanation:

HEIGHT=h=100m

vi=0m/s

vf=?

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by using third equation of motion for bodies under gravity

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evaluating the formula

2(10m/s²)(100m)=vf²-(0m/s)²

2000m²/s²=vf²

√2000m²/s²=√vf²

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21. A toy car starts from rest and begins to
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Answer:

v = 66 m/s

Explanation:

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Acceleration of the car, a = 11 m/s²

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Which of the following identifies the number of protons in an atom?
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