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A student takes measurements to determine the density of the rubber used to make a solid ball. She measures the diameter d of the ball five times using a vernier caliper.Table 1 shows her measurements.

]Calculate the absolute uncertainty in the mean value of d. Determine the percentage uncertainty in the mean value of d. The student measures the mass of the ball to be (48.7 ± 0.1) g. Calculate, in kg m-3, the density of the rubber used to make the solid ball. Calculate the absolute uncertainty in your value for Question 01.4.

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