| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.SL.TZ2.12 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 12 | Adapted from | N/A |
Question
A particle oscillates with simple harmonic motion with period T.
At time t=0, the particle has its maximum displacement. Which graph shows the variation with time t of the kinetic energy Ek of the particle?
Markscheme
C
Examiners report
Many candidates thought that kinetic energy can be negative and opted for A or B. This question clearly caused much confusion suggesting that the candidates had not previously seen graphs of kinetic energy for SHM.
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