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b) Some college physics students measured the dimensions of a soda can. They rep

ID: 1956145 • Letter: B

Question

b) Some college physics students measured the dimensions of a soda can. They reported the following results:
i) Diameter (d) of the can = 4.35 cm
ii) Circumference of the can (C) = 13.48 cm
Their professor has asked them to use their results to calculate the value of p to the correct number of significant figures. They have come to you for help. You remember that the equation relating circumference of a circle to diameter is: Circumference = 2pr = pd.
Show how you would calculate p and impress your friends.



Explanation / Answer

C = pd so p = C/d = 13.48/4.35 = 3.10