Finding the Momentums of Two Cars in a System

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Homework Help Overview

The problem involves calculating the momenta of two cars, a blue convertible and a red SUV, within a system where the total momentum is given. The context includes understanding momentum in a two-dimensional framework, with specific masses and directions of travel for each vehicle.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants are questioning how to initiate the problem and what specific questions need to be addressed regarding the speeds of the cars. There is a suggestion to break down the total momentum vector into components to analyze the situation further.

Discussion Status

The discussion is ongoing, with participants seeking clarity on how to approach the problem. Some guidance has been offered regarding vector decomposition, but no consensus has been reached on the next steps or specific calculations.

Contextual Notes

Participants are navigating the initial setup of the problem, with some expressing uncertainty about the question and the necessary calculations. There is an emphasis on the need to clarify the components of momentum before proceeding.

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Homework Statement


A blue convertible of mass 1500kg is traveling south, and a red sport utility vehicle of mass 2100kg is traveling west. The total momentum of the system consisting of the two cars is 7500kg*m/s directed at an angle 65.0 west of south.


Homework Equations





The Attempt at a Solution



Where do I start with this one?
 
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what is the question?
 
What is the speed of the blue car?

What is the speed of the red car?
 
still looking for some start
 
Split the total momentum vector into the sum of a component pointed south and a component pointed west. That gives you the momentum of each car. Now find the appropriate velocities.
 

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