Physics (AS & A Level) · May / June 2026 · Paper 53 · Question 2
9702
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The question as text
A long tube contains a liquid of density σ. Two rubber bands are placed on the tube towards the bottom as shown in Figure 2.1. bench clamp boss liquid tube stand rubber bands z Figure 2.1 The distance between the two rubber bands is z. A small steel ball of diameter d is dropped from the surface of the liquid. The time t for the ball to pass between the two rubber bands is measured. The experiment is repeated with steel balls of different diameters. It is suggested that t and d are related by the equation z t = gd 2(ρ – σ) 18β where g is the acceleration of free fall, ρ is the density of steel and β is a constant. 1
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2(a)[1]
2(b)[2]
2(c)(i)[2]
2(c)(ii)[2]
2(c)(iii)[2]
2(d)[1]
2(e)(i)[2]
2(e)(ii)[1]
2(f)[2]
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