DP Physics (first assessment 2025)

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Question 23M.1A.SL.TZ2.25

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ2.25
Level SL Paper 1A Time zone TZ2
Command term Question number 25 Adapted from N/A
25.
[Maximum mark: 1]
23M.1A.SL.TZ2.25

A car engine has a useful power output of 20 kW and an efficiency of 50 %. The engine consumes 1 × 10−5 m3 of fuel every second. What is the energy density of the fuel?


A.  2 MJ m−3

B.  4 MJ m−3

C.  2 GJ m−3

D.  4 GJ m−3

[1]

Markscheme

D

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