The problem involves calculating the tension in a string attached to a bob moving in horizontal circles. The bob has a mass of 4 kg and the string length is 5 m, with the radius of the circular motion being 0.6 m.
There is an ongoing examination of the calculations related to the angle and the tension. Some participants provide corrections and alternative calculations, while others seek confirmation of their own results. The discussion reflects a collaborative effort to verify the mathematical reasoning involved.
Participants are working within the constraints of homework guidelines, focusing on the correctness of their calculations without providing direct solutions.
yesJohn78 said:so am I right in my calculations
α= sin^-1 0.6/5 = sin^-1 0.12
α = 6.9 degrees[/color]
T cos α = m*g
T= m*g/cosα
No, the cosine of 6.9 degrees is not 0.121869343T=4*9.8/0.121869343
yes, so T = ?John78 said:cos 6.9 = 0.992757341
Am I right?