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Question 17N.1.HL.TZ0.32

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.1.HL.TZ0.32
Level HL Paper 1 Time zone TZ0
Command term Question number 32 Adapted from N/A
32.
[Maximum mark: 1]
17N.1.HL.TZ0.32

A spacecraft moves towards the Earth under the influence of the gravitational field of the Earth.

The three quantities that depend on the distance r of the spacecraft from the centre of the Earth are the

I.   gravitational potential energy of the spacecraft
II   gravitational field strength acting on the spacecraft
III. gravitational force acting on the spacecraft.

Which of the quantities are proportional to 1 r 2 ?

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

[1]

Markscheme

C

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