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19.11.2020 •
Physics
A ball is attached to one end of a string such that the ball travels in a vertical circular path near Earth's surface. The force diagram
of the ball at its lowest point in the circular path is shown above. What is the net centripetal force exerted on the ball?
A) 10N
B) 15 N
C
25 N
D
35 N
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Ответ:
Complete Question
The complete question is shown on the first uploaded image
The value is
Explanation:
From the diagram we see that
The tension force on the ball is
The gravitational force on the ball is
Generally the net centripetal force exerted on the ball is mathematically represented as
=>
=>
Ответ:
2 tu
3 ustedes
4 usted
5 ustedes
6 ustedes
7 usted
8 usted
9 ustedes
10 tu
11 tu
12 ustedes
13 usted
14 vosotros
15 ustedes
16 tu
17 vosotras
18 ustedes
19 usted
20 tu