An adventurous crosses between two rock cliffs by slowly going hand over hand along a rope stretched between the cliffs. He stop to rest at the middle of the rope. The rope will break if the tension in it exceeds 2.50x10^4 N, and our hero's mass is 90.0 kg. a) If the angle 0 is 10.0degree, find the tension of the rope b) What is the smallest value the angle 0 can have if the rope is not to break?