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Wittaler [7]
3 years ago
15

3.

Chemistry
1 answer:
kari74 [83]3 years ago
7 0

Answer:

D

Explanation:

Elements in the same group of the periodic table do not have the same atomic size.

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<h3>Time of motion </h3>

The time taken for the object to reach to top of pile is calculated as follows;

time of motion = distance traveled/speed

time of motion = (1.1 x 10¹⁴ x 10³ m)/(3 x 10⁸ m/s)

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Thus, the time taken for the object to reach to top of pile is 0.012 year.

Learn more about time of motion here: brainly.com/question/2364404

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