For the tank in Problem 33, how far up from its bottom should a mark be made on its side...

For the tank in Problem 33, how far up from its bottom should a mark be made on its side, as shown in FIGURE 2.R.8 that corresponds to the passage of 1 hour? Continue and determine where to place the marks corresponding to the passage of 2 h, 3 h, … , 12 h. Explain why these marks are not evenly spaced.