6. A stone is dropped from the edge of a roof,
a. How long does it take to fall 4.9 m?
b. How fast does it move at the end of that fall?
c. How fast does it move at the end of 7.9 m?
d. What is its acceleration after 1 s and after 2 s?
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Answer:
I think it's option D
Explanation:
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sam1014bora:
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