DP Physics (first assessment 2025)

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Question 19M.2.SL.TZ2.1aii

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Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.2.SL.TZ2.1aii
Level SL Paper 2 Time zone TZ2
Command term Calculate Question number aii Adapted from N/A
aii.
[Maximum mark: 2]
19M.2.SL.TZ2.1aii
(aii)

Calculate the average power delivered to the ball during the impact.

[2]

Markscheme

ALTERNATIVE 1

P = 1 2 m v 2 t / 1 2 × 0.058 × 64.0 2 25 × 10 − 3  ✔

P = 4700 / 4800 « W »  ✔

 

ALTERNATIVE 2

P = average F v / 148 × 64.0 2  ✔

P = 4700 / 4800 « W »  ✔

 

Examiners report

This was well answered although a significant number of candidates approached it using P = Fv but forgot to divide v by 2 to calculated the average velocity. This scored one mark out of 2.

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