Problema Solution
you have a piece of balsa wood that is 45cm long 8 cm high and 4 cm wide it weighs 500g what is its density?
Answer provided by our tutors
density = mass/volume
mass = 500 g = 0.5 kg
volume = 0.45*0.08*0.04 (since 45 cm = 0.45 m, 8 cm = 0.08 m, 4 cm = 0.04 m)
volume = 0.00144 m^3
density = 0.5 / 0.00144
density = 347.22 km/m^3