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Question 19M.1.HL.TZ1.33

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1.HL.TZ1.33
Level HL Paper 1 Time zone TZ1
Command term Question number 33 Adapted from N/A
33.
[Maximum mark: 1]
19M.1.HL.TZ1.33

The escape velocity for an object at the surface of the Earth is vesc. The diameter of the Moon is 4 times smaller than that of the Earth and the mass of the Moon is 81 times smaller than that of the Earth. What is the escape velocity of the object on the Moon?

A. 2 81 vesc

B. 4 81 vesc

C. 2 9 vesc

D. 4 9 vesc

[1]

Markscheme

C

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