3 marksEffects of Forces
CAPE Physics Unit 1 · 2002 · Paper 2 · Question 5(e)
An astronaut weighs 585 N on Earth.
What will he weigh on planet P?
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Practise this questionOther parts of this question
- 5(a)(i)Show that the mass of the Sun in the Earth's orbit is four times the mass of the sun in Planet P's orbit.[8 marks]
- 5(a)(ii)Show that the period of the planet, P, is given by T = 2π * sqrt(r^3 / GM_P), where M_P is the mass of the planet and r the radius of the orbit.[8 marks]
- 5(b)Calculate the gravitational force of attraction.[2 marks]
- 5(c)Calculate the distance between the planet and its sun.[3 marks]
- 5(d)Calculate a value for g' the acceleration due to gravity on planet P.[4 marks]
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