Question
QUESTION 5 5 points Save In question4, what is the uncertainty of the length measurement? 0.2 cm 0.1 cm 0.01 cm 0.02 cm QUESTION 6 e measured the mass of an object as 2.56 kg as shown below. What is the uncertainty of this measurement? Note: Do not enter in the units for your digital devices answer just the value and recall that the 20% rule of thumb for finding the uncertainty does not apply to 2,56 QUESTION 7 i ow. What is the best estimate of the length of the object? Note: Do not enter in the units Trial No. Length (cm 2 2.95 2.36 2.45 Click Save and Subnit to saue and suhmit Click Sque All Ans
Explanation / Answer
6] Here, by 20% thumb rule, uncertainty = 20% of least count
= 0.20*0.01 kg
= 0.002 kg answer