A penny has a mass of 2.5 g. How many pennies would it take to equal...

Question

Question

A penny has a mass of 2.5 g. How many pennies would it take to equal the mass of the earth? Assume the earth is a sphere with

Answer 1

Answer #1

mass of earth = Sxva densityx volume volume of sphere - here 3678 km = 3,678 x 10 cm vol. = 4 x (3.678 x16) 4a (233 8 8.3 3 2

Answer 2

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