Rockets on a car's effect on velocity?

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Homework Help Overview

The discussion revolves around the dynamics of a car with a rocket mounted on it, specifically examining how the firing of the rocket affects the car's velocity. The scenario involves a car moving to the right and a rocket being fired at a 45-degree angle.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants explore the analogy of a gun firing and its recoil, questioning whether the rocket's firing results in a change in the car's velocity. There is discussion about the direction of forces involved and the implications of firing the rocket at different angles.

Discussion Status

The conversation is ongoing, with participants expressing confusion about the effects of the rocket's firing on the car's velocity. Some guidance has been offered to clarify the reasoning behind the assumptions being made, and there is an emphasis on understanding the underlying principles rather than reaching a definitive answer.

Contextual Notes

Participants are grappling with the implications of forces acting in different directions and the role of pressure in the scenario. There is a lack of consensus on whether the velocity changes and what factors contribute to that determination.

zell_D
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Homework Statement


a rocket is on a car. the car is going to the right. a rocket is fired at 45 degrees angle towards the right. what is the change in velocity (if it changes at all)


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The Attempt at a Solution


I was imagining like a gun firing, and therefore there would be recoil. so i said it decreases the velocity. but my friend says it doesn't change... i am confused
 
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So the car is moving to the right and the rocket fired such that a force is being felt to the left or to the right? Either way, why do you believe the velocity changes?

The Bob
 
i simply thought it like the firing of a gun, and the gun will recoil backwards. but i guess there's the pressure of the barrel to take into account. why DOESNT it change tho?
 
What effect does the rocket have on the car's velocity if it is firing upwards and to the right?
 
zell_D said:
why DOESNT it change tho?
I didn't say it didn't change. What we want to see is what you think the right answer is and why. Then we can see which part of the problem, specifically in explanation, is causing you problems.

The Bob
 

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