February/March 2026 Paper 42

2026 · 11 questions · 49 parts · 80 marks

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1(a)1(b)1(c)

–/6 mks

2(a)(i)2(a)(ii)2(a)(iii)2(a)(iv)2(b)2(b)(i)2(b)(ii)

–/9 mks

3(a)(i)3(a)(ii)3(a)(iii)3(b)

–/7 mks

4(a)4(b)(i)4(b)(ii)4(c)

–/7 mks

5(a)5(b)(i)5(b)(ii)

–/8 mks

6(a)(i)6(a)(ii)6(a)(iii)6(b)6(b)(i)6(b)(ii)

–/7 mks

7(a)7(b)7(c)7(d)

–/7 mks

8(a)(i)8(a)(ii)8(b)8(b)(i)8(b)(ii)

–/8 mks

9(a)9(b)9(c)

–/8 mks

Q10

10(a)10(a)(i)10(a)(ii)10(b)10(b)(i)10(b)(ii)

–/5 mks

Q11

11(a)11(b)11(b)(i)11(b)(ii)

–/8 mks

Context for question 11

The average orbital speed

v

of an object in the Solar System is defined by the equation

v = \frac{2 π r}{T}

11(a)Solar System Orbital MotionEasy2 marks

Define the terms

r

and

T

in this equation.

r

T

11(b)

The average orbital speed of Saturn is 9600 m/s.

11(b)(i)Solar System Orbital MotionMedium2 marks

Explain why the orbital speed is an average value.

Answer

0 words

11(b)(ii)Solar System Orbital MotionMedium4 marks

Saturn is

1.4 \times 1 0^{12}

m from the Sun. Show that one Saturn year is approximately equal to 30 Earth years.

Answer

0 words