Physics 9702/22 — May/June 2019

Cambridge AS Level · AS Level Structured Questions · worked solutions for every part, with the mark scheme

questions

marks

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Topics Dynamics · Physical Quantities and Units · Forces, Density and Pressure · Work, Energy and Power · Waves · Kinematics · +6 more

Q1Physical Quantities and UnitsForces, Density and PressureFree sample

Answer all the questions in the spaces provided.

(a)

The diameter $d$ of a cylinder is measured as $0.0125\text{ m} \pm 1.6\%$ .

Calculate the absolute uncertainty in this measurement.

absolute uncertainty = ______ $\text{m}$

(b)

The cylinder in (a) stands on a horizontal surface. The pressure $p$ exerted on the surface by the cylinder is given by

p = \frac{4W}{\pi d^2}

The measured weight $W$ of the cylinder is $0.38\text{ N} \pm 2.8\%$ .

(i)

Calculate the pressure $p$ .

$p$ = ______ $\text{N m}^{-2}$

(ii)

Determine the absolute uncertainty in the value of $p$ .

absolute uncertainty = ______ $\text{N m}^{-2}$

The rest of this paper

5 more questions

Q2Dynamics · Kinematics · Work, Energy and Power · Deformation of Solids · Waves14M
Q3Forces, Density and Pressure · Physical Quantities and Units · Dynamics · Work, Energy and Power10M
Q4Waves · Superposition11M
Q5D.C. Circuits · Electricity13M
Q6Electric Fields · Dynamics · Particle Physics8M

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