Cuboid 5

Calculate the mass of the cuboid with dimensions of 12 cm; 0.8 dm and 100 mm made from spruce wood (density = 550 kg/m3).

Correct answer:

m =  0.528 kg

Step-by-step explanation:

a=12 cm m=12/100  m=0.12 m b=0.8 dm m=0.8/10  m=0.08 m c=100 mm m=100/1000  m=0.1 m  h=550 kg/m3  V=a b c=0.12 0.08 0.1=331250.001 m3  m=h V=550 0.001=0.528 kg



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Showing 2 comments:
#
Math student
You asked for the weight... in physics, weight is expressed in N not kg. You should know this!

#
Dr Math
Thank you, we have corrected 'weight' to 'mass'.

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