What is the length of the shortest pipe, of internal radius 50mm, that can fully contain 21 balls of radii 30mm, 31mm, …, 50mm? Give your answer in micrometres (10-6 m) rounded to the nearest integer. Will you give it a try?
What is the length of the shortest pipe, of internal radius 50mm, that can fully contain 21 balls of radii 30mm, 31mm, …, 50mm? Give your answer in micrometres (10-6 m) rounded to the nearest integer. Will you give it a try?
