DP Physics (first assessment 2025)

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Question 21M.1A.SL.TZ2.9

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ2.9
Level SL Paper 1A Time zone TZ2
Command term Question number 9 Adapted from N/A
9.
[Maximum mark: 1]
21M.1A.SL.TZ2.9

The graph shows the variation with distance of a horizontal force acting on an object. The object, initially at rest, moves horizontally through a distance of 50 m.

A constant frictional force of 2.0 N opposes the motion. What is the final kinetic energy of the object after it has moved 50 m?

A. 100 J

B. 500 J

C. 600 J

D. 1100 J

[1]

Markscheme

B

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