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Question 19M.3.HL.TZ1.b.i

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.HL.TZ1.b.i
Level HL Paper 3 Time zone TZ1
Command term Outline Question number b.i Adapted from N/A
b.i.
[Maximum mark: 1]
19M.3.HL.TZ1.b.i

Gasoline of density 720 kg m–3 flows in a pipe of constant diameter.

Outline why the speed of the gasoline at X is the same as that at Y.

[1]

Markscheme

«continuity equation says» Av = constant «and the areas are the same» ✔

Examiners report

In b) most candidates well noted and understood the application of the continuity equation.

Syllabus sections