Solving a Graph Problem: Velocities and Equations

  • Thread starter Michaelbk
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In summary, the person is asking for help with a graph that shows a rapid drop in velocity, and they are wondering if they made a mistake in their equation. They provide a link to the graph and the equation for reference.
  • #1
Michaelbk
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Hi people, i was wondering if anyone might be able to see the problem with my graph:
http://img82.imageshack.us/my.php?image=grafur3.jpg
There must be something wrong, since the velocity drops so fast, and i was thinking that they should all start at v0, but this isn't the case.
(The definitions and equation should be in the picture with the graph)
In this picture you will see how i made the equation (maybe there's something i missed):
http://img393.imageshack.us/my.php?image=eqfmyx6.png
 
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  • #2
Michaelbk said:
Hi people, i was wondering if anyone might be able to see the problem with my graph:
http://img82.imageshack.us/my.php?image=grafur3.jpg
There must be something wrong, since the velocity drops so fast, and i was thinking that they should all start at v0, but this isn't the case.
(The definitions and equation should be in the picture with the graph)
In this picture you will see how i made the equation (maybe there's something i missed):
http://img393.imageshack.us/my.php?image=eqfmyx6.png

I don't see why you would think "they should all start at v0" since you have replaced v0 by vr, vh, and vs, three different values.
 

FAQ: Solving a Graph Problem: Velocities and Equations

1. What is a graph problem involving velocities and equations?

A graph problem involving velocities and equations is a mathematical question that requires you to plot a graph and use equations to find the velocities of objects in motion. This can involve calculating the speed, acceleration, and displacement of an object over a given time period.

2. How do you solve a graph problem involving velocities and equations?

To solve a graph problem involving velocities and equations, you will need to first plot the given data points on a graph. Then, you can use equations such as the distance formula, velocity formula, or acceleration formula to find the required values. Make sure to pay attention to units and use the correct equations for the given scenario.

3. What are some common equations used in solving graph problems involving velocities?

Some common equations used in solving graph problems involving velocities include the distance formula (d = rt), velocity formula (v = d/t), and acceleration formula (a = (vf - vi)/t). Other equations may also be used depending on the specific problem.

4. How can I check if my solution to a graph problem involving velocities and equations is correct?

You can check if your solution is correct by plugging in the values you have calculated back into the original equations and seeing if they match the given data points. Additionally, you can use logic and common sense to ensure that your solution makes sense in the context of the problem.

5. Are there any tips for solving graph problems involving velocities and equations?

Some tips for solving graph problems involving velocities and equations include carefully reading the problem and identifying the given data, using the correct equations and units, and double-checking your calculations. Additionally, it can be helpful to draw a rough sketch of the graph to visualize the problem and make sure your solution makes sense in the context of the problem.

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