Answer:
From the First Law of Motion
Vf = Vi + at
"It reaches a speed of 52m/s" meaning the Final speed Vf=52
a(acceleration)=10m/s²
t=4s
Applying the formula
52=Vi + 10(4)
Vi = 52-40
Vi = 12m/s
Explanation:
<h3>The process in which green plants prepare their food in their body by using carbon dioxide and water in the presence of sunlight is called photosynthesis.</h3>
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Solids
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Hi there,
Matter is sometimes invisible. Most invisible matters are gas because it consists of tiny air molecules.
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Dus4nR