Hockey Puck Cube
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Maths working out the mass?
an ice hockey puck is in the shape of a cylinder with a radius of3.8cm, and a thickness of 2.5cm.
it is made out of rubber with a density of 1.5grams per cm cubed.
work out the mass of the ice hockey puck correct to 3sf
volume of puck is pir^2h = pi (3.8)^2 * 2.5
= 113.41cm^3
mass = density * volume
= 1.5 * 113.41
= 170g (ans)
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