Question

An unknown mass is held motionless supported by a string tied in a knot that is connected to two other strings as shown in Figure 3. One string (labelled as Ti in the figure) has a tension of 120 N and makes a 22o angle with respect to the ceiling. The tension in the other string is unknown but it makes a 38 angle with respect to a line perpendicular to the ceiling. If we assume all strings are massless then, a) b) (10 pts.) Find the tension in the other string T2 as shown in the figure. (10 pts.) Find the value of the unknown mass.
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