DP Physics (first assessment 2025)

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Question 22M.2.SL.TZ1.c.i

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Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.SL.TZ1.c.i
Level SL Paper 2 Time zone TZ1
Command term Show that Question number c.i Adapted from N/A
c.i.
[Maximum mark: 2]
22M.2.SL.TZ1.c.i

Show that the speed of the load when it hits the floor is about 2.1 m s−1.

[2]

Markscheme

proper use of kinematic equation ✓

2×2.4×0.95=2.14 «m s−1» ✓

 

Must see either the substituted values OR a value for v to at least three s.f. for MP2.

Examiners report

This was a "show that" questions, so examiners were looking for a clear equation leading to a clear substitution of values leading to an answer that had more significant digits than the given answer. Most candidates successfully selected the correct equation and showed a proper substitution. Some candidates started with an energy approach that needed modification as it clearly led to an incorrect solution. These responses did not receive full marks.

Syllabus sections