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vitfil [10]
3 years ago
14

I need help on 11 - 14

Physics
2 answers:
valkas [14]3 years ago
8 0

11-14=-3

This is the correct answer!!!


posledela3 years ago
5 0
The answer is negative three

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23.5 DEGREES is the answer. 
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A small metal object is tied to the end of a string and whirled round a circular path of radius 30cm. The object makes 20 oscill
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Answer:

(i) The angular speed of the small metal object is 25.133 rad/s

(ii) The linear speed of the small metal object is 7.54 m/s.

Explanation:

Given;

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time of motion, t = 5 s

(i) The angular speed of the small metal object is calculated as;

\omega = \frac{20 \ rev}{5 \ s} \times \frac{2 \pi \ rad}{1 \ rev} = \frac{40\pi \ rad}{5 \ s} = 8\pi \ rad/s = 25.133 \ rad/s

(ii) The linear speed of the small metal object is calculated as;

v = \omega r\\\\v = 25.133 \ rad/s \ \times \ 0.3 \ m\\\\v = 7.54 \ m/s

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Answer:

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if you spoke this in english i can help you out

Explanation:

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