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Sagot :
Answer:
• Angular velocity is 2 m/s
• Centripetal force is 96 N
Explanation:
For angular velocity:
[tex] { \rm{v = \omega r}}[/tex]
- v is velocity
- w is angular velocity
- r is radius
[tex]{ \rm{ \omega = \frac{v}{r} }} \\ \\ { \rm{ \omega = \frac{12}{6} }} \\ \\ { \boxed{ \rm{ \omega = 2 \: {ms}^{ - 1} }}}[/tex]
For the centripetal force:
[tex]{ \rm{force = m { \omega}^{2}r }} \\ \\ { \rm{force = (4 \times {2}^{2} \times 6)}} \\ \\ { \rm{force = 96 \: newtons}}[/tex]
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