How long is this area in the air?

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SUMMARY

This discussion focuses on solving physics problems involving centripetal force, projectile motion, tangential velocity, and angular acceleration. Key calculations include determining the centripetal force (Fc) for an object spun on a 2.5m string at 6 radians every 10 seconds, the maximum height and time in the air for an arrow shot at 20 m/s at a 37-degree angle, and the tangential velocity for a rotational frequency of 0.75 Hz with a radius of 4.0m. Additionally, the discussion addresses calculating angular acceleration when an object changes from 10 rad/π to a stop in 3.0 seconds.

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I understand what they are asking me in these problem but I don't know how plug these numbers in the equations.
If you could help me it would be wonderful thanks.
Fc if spun on a 2.5m string at 6 radians every 10 seconds?An arrow is shot at 20 m/s at an angle from the horizontal of 37 degree.what its maximum height? time in the air?Horitzontal range

tangential velociy if rotational frequency=0.75 Hz with a readius of 4.0m

Angular accerlation if change from 10rad/pie to stopped in 3.0 seconds?
 
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shawn2004 said:
I understand what they are asking me in these problem but I don't know how plug these numbers in the equations.
If you could help me it would be wonderful thanks.
Fc if spun on a 2.5m string at 6 radians every 10 seconds?


An arrow is shot at 20 m/s at an angle from the horizontal of 37 degree.what its maximum height? time in the air?Horitzontal range

tangential velociy if rotational frequency=0.75 Hz with a readius of 4.0m

Angular accerlation if change from 10rad/pie to stopped in 3.0 seconds?

Um, no offense but I don't really understand anything you just said, could you make it a bit more clear?