Is My Momentum Lab Chart Correct?

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silentcoder
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Hi,
I have to do a lab simulation and fill out information in a chart. The lab simulates two pucks hitting with each other. It is suppose to be a momentum lab. I have filled most of the chart but am not sure if its correct. So I would like you to verify it. Plz and TY

These are the only given variables:
I had to record x and y positions of both pucks(circles) for first 2 frames of simulation, Mass is also given and time is 0.050s
Table of recorded positions for two pucks over two frames: Circle 1 (mass 2.00 kg) Frame 1 X -2.025, Y -0.450; Frame 2 X -1.550, Y -0.500. Circle 2 (mass 1.50 kg) Frame 1 X -0.075, Y -3.625; Frame 2 X 0.150, Y -3.350.


This is the table i am suppose to fill:
Lab data table with velocity components v1x, v1y, v1x', v1y', v1 and v1' for two pucks, plus momentum components p1x, p1y, p1x', p1y' (in kg m/s), and empty boxes for P Total X, P Total Y and Total Kinetic Energy Before.


v1x and v1y are suppose to be for circle1
vlx' and v1y' are suppose to be for circle2
v1 and v1y' are both resultant velocity

p1x and p1y are x and y momentum for circle1
p1x' and p1y' are x and y momentum for circle2

To find velocities i simply subtracted frame 2 position from frame 1 and divide it by the time
To find the momentum i simply multiplied x and y components to the mass

For P Total X, can i just add both x components together?

How can i find Total Kinetic Energy?

Thank You
 

Discussion

Looks correct.
Momentum are vectors, so yes, just add the components to get the total - just like you would treat forces.
Use the v1 and v1' speeds for the kinetic energy. Energy is a scalar - no need to take directions into account.