CAPE Physics Unit 1 · 2018 · Paper 2

34 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. 1(a)2 marksState Newton's first law of motion.
2. 1(b)(i)5 marksOn the grid provided in Figure 1 on page 7, plot a graph of velocity, v, versus time, t. Draw the line of best fit through the points.
3. 1(b)(ii)1 markFrom your graph, determine the time at which the ball reaches its maximum height.
4. 1(b)(iii)3 marksHence, or otherwise, determine the maximum height reached above the point of release.
5. 1(b)(iv)2 marksCalculate the maximum potential energy gained by the ball in this throw.
6. 1(b)(v)2 marksThe maximum potential energy calculated in (b)(iv) assumes that air resistance is negligible. Explain how this result would be affected if air resistance was significant.
7. 2(a)(i)1 markDefine Loudness.
8. 2(a)(ii)1 markDefine Pitch.
9. 2(a)(iii)1 markDefine Quality.
10. 2(b)(i)2 marksComplete Column 3 in Table 2 on page 12.
11. 2(b)(ii)4 marksUsing an appropriate scale, plot a graph of f against 1/sqrt(V) on the grid provided in Figure 3 on page 13. Draw the line of best fit through the points.
12. 2(b)(iii)3 marksDetermine the gradient of the graph.
13. 2(c)3 marksUse this data along with your answer in (b)(iii) to determine the velocity of sound in the bottle.
14. 3(a)6 marksWith the aid of a diagram, describe an experiment to accurately determine the Young's modulus of a metal wire.
15. 3(b)(i)1 markDraw the line of best fit through the data points.
16. 3(b)(ii)3 marksDetermine the energy stored in one cubic millimetre of the wire.
17. 4(a)6 marksDiscuss the nature, cause and effect of frictional forces.
18. 4(c)(i)2 marksCalculate the ratio of the strain in the steel wire to the strain in the copper wire.
19. 4(c)(ii)3 marksHence, calculate the extension of the copper wire.
20. 4(d)(i)1 markCalculate the maximum attainable speed of the particle.
21. 4(d)(ii)2 marksCalculate the maximum energy attained by the particle.
22. 5(a)2 marksDefine the term 'simple harmonic motion' (SHM).
23. 5(b)2 marksWrite the mathematical expression relating acceleration, a, to displacement, x, in simple harmonic motion.
24. 5(b)(i)4 marksSketch a diagram to represent the arrangement described in the scenario above showing ALL the forces acting and ALL the distances described.
25. 5(b)(ii)5 marksCalculate the frictional force between the ladder and the ground.
26. 5(c)3 marksDescribe the interchange of the kinetic energy and potential energy of an oscillating system during simple harmonic motion.
27. 5(e)(i)3 marksCalculate the period of oscillation for the mass.
28. 5(e)(ii)2 marksDetermine the period of the resulting SHM.
29. 6(a)3 marksUse the equation of state for an ideal gas to determine the number of moles of gas in the cylinder.
30. 6(b)(i)3 marksExplain this rise in temperature on a macroscopic scale, using the first law of thermodynamics.
31. 6(b)(ii)3 marksExplain this rise in temperature on a microscopic scale, using the kinetic theory of gases.
32. 6(c)2 marksCalculate the pressure of the gas after the compression in (b).
33. 6(d)1 markThe work done on the gas during the compression is 85 J. Use the first law of thermodynamics to determine the INCREASE in the thermal energy of the gas during the compression.
34. 6(e)3 marksDetermine its molar heat capacity, C_v.