Mass of coin = ± g Density of single coin using Mathematical Equation

Diameter (d) : cm

Absolute Uncertainty

Relative Uncertainty

Thickness (h) : cm

Volume(show calculation)
V =

(show calculation)
Density

Density of single coin by displacement method

Volume one coin (show your calculation)

Absolute Uncertainty: Relative Uncertainty: (show calculation)
Density

Density of Coin by displacement using multiple coins

Volume one coin (show your calculation)
Volume of nine coins = g
Volume of one coin:

Absolute Uncertainty: Relative Uncertainty: (show calculations)
Density

Questions:
1. Which method was the most accurate? Explain briefly
2. Identify a more accurate method of measuring the radius and thickness of the coin.