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Question 17N.2.HL.TZ0.2b.ii

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Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.2.HL.TZ0.2b.ii
Level HL Paper 2 Time zone TZ0
Command term Outline Question number b.ii Adapted from N/A
b.ii.
[Maximum mark: 2]
17N.2.HL.TZ0.2b.ii

There is a proposal to power a space satellite X as it orbits the Earth. In this model, X is connected by an electronically-conducting cable to another smaller satellite Y.

Satellite Y orbits closer to the centre of Earth than satellite X. Outline why

(b.ii)

satellite Y requires a propulsion system.

[2]

Markscheme

to stop Y from getting ahead

to remain stationary with respect to X

otherwise will add tension to cable/damage satellite/pull X out of its orbit

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