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Verified Answer :


t1 =3.2 44g 
t2 = 7 49g 
t3 = 3.5 24g 

t4 = t1 + t2 + t3 = 5570,118

The t4 also is given by:

t4 = r T sin Ф

r = 7
Ф = 32°
T: tension in the string

T = t4 / (r sinФ)

T = t4 / (7 * sin(32°)) 

T = 1501,6 N

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