Approximation and Errors Ex.1B_2

Approximation and Errors Ex.1B_2 - Find the upper limit of...

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Chapter 1.2 Approximation and Errors in Measurement Let’s Do Some Exercises! 1. Complete the table below. (Give the answers correct to 3 significant figures if necessary.) Measured value Maximum error Relative error Percentage error 85.6% (corr. to the nearest 0.1%) 1236ml (corr. to the nearest 1ml) 0.0576 kg (corr. to the nearest 0.1g) 2.39 m (corr. to 3 significant figures) 2. Charles uses a ruler with o.1 cm marking to measure the length and width of an Octopus Card. He finds the length and the width are 8.5cm and 5.4 cm respectively. (a) Find the maximum error of the measurement. (b)
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Unformatted text preview: Find the upper limit of the actual length and the actual width. (c) Find the lower limit of the actual area of the card, correct to 2 significant figures. (d) Find the relative error. 3. (a) The weight of a wood chair is measured to be 450g, correct to 2 significant figures. Find the percentage error of the weight correct to the nearest 0.1%. (b) The length of the wood chair is measured to be 125cm, correct to 2 significant figures. Find the percentage error of the length correct to the nearest 0.1%. (c) Which measured value is more precise?...
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This note was uploaded on 10/17/2011 for the course IELM 3010 taught by Professor Fugee during the Winter '11 term at HKUST.

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Approximation and Errors Ex.1B_2 - Find the upper limit of...

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