claudia122752
18.03.2021 •
Physics
A 0.17 kg ball on a 0.70 m string rotates in a circular path in a vertical plane. If the angular speed of the ball at the bottom of the circle is 7.0 rad/s, what is the force that maintains circular motion?
A. 5.6 N
B. 7.5 N
C. 1.7 N
D. 1.2 N
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Ответ:
Ответ:
The answer is 18