A piece of wood of mass 150 g has a volume of 200 $c m^{3}$ .Find the density of wood in

(a) C.G.S.unit (b) S.I unit
[2 marks]

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Solution

(a) Mass of wood (M) = 150 g
Volume of wood (V) = 200 cm³
Density (D) =?
$D equals M over V equals 150 over 200 equals 0.75 bevelled fraction numerator g over denominator c m cubed end fraction$
[1 mark]
(b) In S.I. system = 0.75 $\times$ 1000 = 750 kg/ m^{3

[1 mark]}

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a piece of wood of mass 150g has a volume of 200cm³ .find the density of wood in (a)CGS system (b) S.I. SYSTEM.

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