Solution Found!
Express your answers to problems in this
Chapter 20, Problem 13PE(choose chapter or problem)
Express your answers to problems in this section to the correct number of significant figures and proper units. (a) A car speedometer has a 5.0% uncertainty. What is the range of possible speeds when it reads 90 km/h ? (b) Convert this range to miles per hour. (1 km = 0.6214 mi)
Questions & Answers
QUESTION:
Express your answers to problems in this section to the correct number of significant figures and proper units. (a) A car speedometer has a 5.0% uncertainty. What is the range of possible speeds when it reads 90 km/h ? (b) Convert this range to miles per hour. (1 km = 0.6214 mi)
ANSWER:Solution 13 PE: Step 1 of 6 (a) Use following formula to find percentage uncertainty of speed, % uncertainty = v× 100 v v = (% uncertainty)(v) 100 Comment