DP Physics (first assessment 2025)

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Question 21M.2.SL.TZ2.1c

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Date May 2021 Marks available [Maximum mark: 2] Reference code 21M.2.SL.TZ2.1c
Level SL Paper 2 Time zone TZ2
Command term Outline Question number c Adapted from N/A
c.
[Maximum mark: 2]
21M.2.SL.TZ2.1c
(c)

In practice, air resistance affects the ball. Outline the effect that air resistance has on the vertical acceleration of the ball. Take the direction of the acceleration due to gravity to be positive.

[2]

Markscheme

air resistance opposes «direction of» motion
OR
air resistance opposes velocity

on the way up «vertical» acceleration is increased OR greater than g

on the way down «vertical» acceleration is decreased OR smaller than g


Allow deceleration/acceleration but meaning must be clear