Tarzan (m = 74 kg) commutes to work swinging from vine to vine. He leaves the platform of his tree house and swings on the end of a vine of length L = 8.0 m. 

(a) If the platform is 1.9 m above the lowest point in the swing, what is the tension in the vine at the lowest point in the swing? 

(b) Tarzan again takes to his morning commute, but this time a monkey of mass m_M = 23 kg hitches a ride by jumping onto Tarzan’s back. If a vine can withstand a maximum tension of 1200 N, will it snap under the tension of the added passenger? If so, at what angle with respect to the vertical does the vine break?