Question: 1.Rewrite the result below in its clearest form, with suitable numbers of significant figures: measured speed = 4.378 X 10 1 53 cm/sec. 2. Two

1.Rewrite the result below in its clearest form, with suitable numbers of significant figures: measured speed = 4.378 X 10 1 53 cm/sec. 2. Two students measure the length of the same pencil and report the results 146 i 3 mm and 148 i 3 mm. Draw an illustration like that shown above (for slow and fast walkers) to represent these two measurements. Is the discrepancy between the two measurements significant? Why or why not? 3. (a) A student measures the diameter of a steel ball 5 times and gets the results (all in cm) 2.0, 2.2, 2.2, 2. 1, and 2.0. What is your best estimate and uncertainty for the diameter? (b) The student is told that the accepted value is 2.05 em. Do you think the discrepancy between the student's best estimate and the accepted value is significant? Why or why not

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