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Question 20N.2.HL.TZ0.7b

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Date November 2020 Marks available [Maximum mark: 2] Reference code 20N.2.HL.TZ0.7b
Level HL Paper 2 Time zone TZ0
Command term Explain Question number b Adapted from N/A
b.
[Maximum mark: 2]
20N.2.HL.TZ0.7b
(b)

Explain the changes to the rotational kinetic energy in the person-turntable system.

[2]

Markscheme

the rotational kinetic energy has increased ✓

energy is provided by the person doing work «flipping the wheel» ✓

 

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