19. Continuous Mass Flow

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Learning Objectives

Be able to recognize the different categories of continuous mass flow problems.
Construct momentum diagrams for continuous mass flow.
Be able to find the differential equation describing the speed of the objects involved in continuous mass flow problems.
Be able to determine whether or not external forces are acting on a system involving continuous mass flow.
Be able to solve the differential equation involving continuous mass flow problems using integration techniques.

Preparation

Course Notes

Notes: Continuous Mass Flow (PDF - 4.1MB)

Lecture Video

Video Excerpts

Watch the following excerpts from the Physics I lecture videos:

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» Clip 1: Thrust of a Rocket (21 min)
» Transcript (PDF)

From Lecture 17 of 8.01 Classical Mechanics, Fall 1999

» Clip 2: Fuel Consumption and Rocket Velocity (24 min)
» Transcript (PDF)

From Lecture 17 of 8.01 Classical Mechanics, Fall 1999

Download the complete lectures from this course:

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Learning Activities

Guided Activities

Read through the class slides carefully. They explain all of the concepts from the module.

This resource may not render correctly in a screen reader. Slides: Continuous Mass Flow (PDF)

Self-Assessment

Do the Concept Questions first to make sure you understand the main concepts from this module. Then, when you are ready, try the Challenge Problems. If you are struggling with the Challenge Problems, watch the Homework Help Session videos, which will give you tips on how to tackle problems of this type.