Think i have solved this at last. any opinions? have i done it right

[getinthere]

Hi everyone,

I have solved this equation now but would like people to verify i am doing it right, ive struggled with it and this is the only way i have been able to solve it. the ansywer when when put into the original equation when not rounded equals 302. would really like some views on how ive done it and if there is better way,also can confirm my answer is right pls as that would give me some confidencein going forward.

thanks v.much

russ

T=302
To=0.43 T
u= 0.3
angle of lap = 148deg (theta is where i believe this goes)


T=Toe^u(theta/sina)

T/To=e^u(theta/sina)

ln T- ln To=u(theta/sina)

ln 2.33 = 0.3(2.58/sina)

0.85 = 0.3(2.58/sina)

2.82 = 2.58/sina

sina =2.58/2.82

a=1.15 rad or 65.9 deg

 

[Ishuda]

Hi

Yes, you have done it correctly. However, round-off is getting to you. More accurately,
a = 1.1607 rad or 66.5049 degrees

 

[getinthere]

Tops Ishuda, thanks for the input im happy now