Physics · Oct / Nov 2023 · Paper 41 · Question 3
0625
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The question as text
Liquids are difficult to compress whereas gases can be compressed easily.
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3(a)[2]
particles (of liquid) are touching / close to each other
forces (of repulsion) between particles (of liquid) are large
3(b)(i)[2]
(Δp =) g(Δ)h
1000 × 9.8 × 0.087 OR (Δp =) 852.6 (Pa)
3(b)(ii)[2]
12 N
p = F / A OR (F =) pA OR 850 × 0.014
3(b)(iii)[2]
1.2 kg
g = W / m OR (m =) F / g OR 12 / 9.8
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