Solve this two problems.

Problem # 1 [20 poin'rs): A roller-coosTer cor hos d moss of 500 kg 8.!) W5 when fully looded wiTh passengers. The cor passes over 0 hill of '* radius 15 m, 05 shown. AT The Top of The hill, The car has 0 speed of 3.0 mfs. WhoT is The force of The Track on The cor oT The Top of The hill? Problem # 2 (20 poinTs): In The figure, if The Tension in airing 'I is 34 N and The Tension in sTring 2 is 24 N, whoT is The mass of The objecT shown? HinT: sTring one and 2 DO NOT moke o 900 ongle