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olga nikolaevna [1]
3 years ago
8

Which of these is a characteristic of science? (5 points) Question 1 options: 1) It cannot be reproduced by any scientist. 2) It

cannot be changed by new knowledge. 3) It is based on empirical evidence. 4) It is guided by a set of values.
Chemistry
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

3

Explanation:

It is based on empirical evidence

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A 1.50-kilogram ball is attached to the end of a 0.520-meter string and swung in a circle. The velocity of the ball is 9.78 m/s.
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Answer:

F centripetal force (tension) = 275.9  N

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