19. a long ream of paper of thickness t is rolled tightly. as the roll becomes larger, the length of the paper wrapped in one turn exceeds the length in the pre

19. A long ream of paper of thickness t is rolled tightly. As the roll becomes larger, the length of the paper wrapped in one turn exceeds the length in the previous tum by 2. 2t 1.t 3. nt 4. 27nt