The diameter of a ball is measured using a metre rule and a two set- squares, as illustrated in Figure 2.45. The readings on the rule are 16.8 cm and 20.4 cm. Each reading has an uncertainty of ±1 mm. Calculate, for the diameter of the ball:
The diameter of a ball is measured using a metre rule and a two set- squares, as illustrated in Figure 2.45. The readings on the rule are 16.8 cm and 20.4 cm. Each reading has an uncertainty of ±1 mm. Calculate, for the diameter of the ball:
University Physics Volume 1
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Author:William Moebs, Samuel J. Ling, Jeff Sanny
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Chapter1: Units And Measurement
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Problem 83AP: A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12s. There is an uncertainty of...
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9) a and b
![9 The diameter of a ball is measured using a metre rule and a two set-
squares, as illustrated in Figure 2.45. The readings on the rule are 16.8
cm and 20.4 cm. Each reading has an uncertainty of ±1 mm. Calculate,
for the diameter of the ball:
ball
ACK-
set-square
reading
Figure 2.45
(a) its actual uncertainty,
(b) its percentage uncertainty.
reading
set-square
metre rule
Suggest an alternative, but more precise, method by which the
diameter could be measured.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8b00a80b-0cea-48b5-891f-9a9beccbf082%2F2b072c4b-b6e2-4a68-bc41-96ae25d780b6%2F0abiqx6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9 The diameter of a ball is measured using a metre rule and a two set-
squares, as illustrated in Figure 2.45. The readings on the rule are 16.8
cm and 20.4 cm. Each reading has an uncertainty of ±1 mm. Calculate,
for the diameter of the ball:
ball
ACK-
set-square
reading
Figure 2.45
(a) its actual uncertainty,
(b) its percentage uncertainty.
reading
set-square
metre rule
Suggest an alternative, but more precise, method by which the
diameter could be measured.
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