Can Logarithms Solve a Rocket Science Problem?

In summary, the conversation revolves around using logarithms in a realistic problem related to calculating the speed of a rocket as its mass changes during fuel burn. The formula F=ma is mentioned, as well as the concept of integrating using logarithms. There is also a question about the inclusion of the v\frac{dm}{dt} term in the calculation.
  • #1
TheShapeOfTime
[SOLVED] Rocket Science

"Calculate the speed acquired by a rocket whose mass varies as it burns up fuel."

Is there any way I could make up a semi-realistic problem relating to the above quote and solve it with logarithms?
 
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  • #2
[tex]F=ma[/tex]
[tex]F=m\frac {dv}{dt}[/tex]
[tex]\frac {F}{m} = \frac {dv}{dt}[/tex]
[tex]\int \frac {F}{m}dt = \int \frac {dv}{dt}[/tex]
[tex]v=\int \frac {F(t)}{m(t)}dt[/tex]
Not sure if that answers your question
 
  • #3
I'm only in grade 11 and haven't done any calculus. Is there any way to make any sort of problem for this that only includes Logarithms?
 
  • #4
mathlete said:
[tex]F=ma[/tex]
[tex]F=m\frac {dv}{dt}[/tex]
[tex]\frac {F}{m} = \frac {dv}{dt}[/tex]
[tex]\int \frac {F}{m}dt = \int \frac {dv}{dt}[/tex]
[tex]v=\int \frac {F(t)}{m(t)}dt[/tex]
Not sure if that answers your question
Isn't force the derivative of momentum such that you would have to include the [itex]v\frac{dm}{dt}[/itex] term as well?
 

FAQ: Can Logarithms Solve a Rocket Science Problem?

How do logarithms relate to rocket science?

Logarithms are used in rocket science to solve problems involving exponential growth or decay, which is a common occurrence in rocket propulsion. They help to simplify complex calculations and make it easier to analyze data from rocket launches.

What is the basic concept of logarithms?

A logarithm is the inverse operation of exponentiation. It is used to determine the power to which a base number must be raised to produce a given number. For example, the logarithm base 2 of 8 is 3, because 2 to the power of 3 equals 8.

Can logarithms be used to calculate rocket trajectories?

Yes, logarithms can be used to calculate rocket trajectories by converting the exponential relationship between time and distance into a linear relationship. This allows for easier analysis and prediction of the rocket's path.

How do you use logarithms to solve rocket science problems?

To solve a rocket science problem using logarithms, you would first identify the exponential relationship in the problem. Then, take the logarithm of both sides of the equation to convert it into a linear relationship. Finally, solve for the variable using basic algebraic methods.

Is there a specific base number that is used in rocket science logarithms?

No, there is no specific base number that is used in rocket science logarithms. The base number can vary depending on the problem being solved, but common bases include 2, 10, and the natural logarithm base e.

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