... 2.543798 Kg. A fishing scale is used to measure the mass of the same book, and shows the mass to be 2.54 kg. Which of the following statements is the most correct?
(a) The fishing scale is less accurate.
(b) The fishing scale is less precise
(c) The fishing scale is more accurate
(d) Neither scale is accurate
A laboratory mass balance is used to determine the mass of a textbook, and shows the mass to be?
- Posted:
- 3+ months ago by promi
- Topics:
- scale, fishing, book, balance, measure, laboratory, books, statement
Details:
Answers (1)
Think of a target at a shooting range. One rifle shoots five bullets and they are all in a small group in one corner of the target. Another rifle shoots five bullets and they are all over the target, but they are all closer to the bulls-eye than any shot from the first rifle. So the first rifle is precise: it gives nearly the same wrong result every time. The second is accurate: every shot is closer to the right result.
The only answer to your question is "Insufficient information". You have only one test for each instrument and you don't know what the right number is.