104786
AssignmentMultiple Select

Lab: Conservation of Linear Momentum

Question 104786 • [HSPHY] Physics Sem 1 (26-27)

The simulation kept track of the variables and automatically recorded data on object displacement, velocity, and momentum. If the trials were run on a real track with real gliders, using stopwatches and meter sticks for measurement, how might the data compare? Check all that apply.There would be variables that would be hard to control, leading to less reliable data.The data would be just as valid if it were recorded with a stopwatch.Meter sticks may lack precision or may be read incorrectly.Real glider data may vary since real collisions may involve loss of energy.Human error in recording or plotting the data could be a factor.Controlling real glider velocities by hand would be just as accurate as simulation controls.

Answer
A
There would be variables that would be hard to control, leading to less reliable data.
B
The data would be just as valid if it were recorded with a stopwatch.
C
Meter sticks may lack precision or may be read incorrectly.
D
Real glider data may vary since real collisions may involve loss of energy.
E
Human error in recording or plotting the data could be a factor.
F
Controlling real glider velocities by hand would be just as accurate as simulation controls.

Explanation

Real trials introduce sources of uncertainty that a simulation can control or avoid. Difficult-to-control variables, limited or misread meter-stick measurements, energy lost in real collisions, and human recording or plotting mistakes could all make the data less reliable or cause it to vary. A stopwatch and hand-controlled glider speeds would not be just as accurate as automated simulation measurements.

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