An automoble speedometer has a range of 0 to 100 mph. The uncertainty in any reading is 2 % of the maximum speed.
(a) What is the absolute uncertainty at 100 mph?
(b) 50 mph?
(c) What is the percentage uncertainty at 50 mph?
(d) What is the percentage uncertainty at 5 mph.
(e) At what speed is the percentage uncertainty smallest, and what value at that speed.