Using the graph for the inelastic collision shown above, calculate the absolute value of the change of rotational kinetic energy (in J) from just before to just after the collision. Use the moment of inertia that is calculated from the mass and radius of the disc(s) (like you did in Q1). Round your answer to 4 decimal places. NB. AK = | Kf- K;| Your Answer: Answer
Using the graph for the inelastic collision shown above, calculate the absolute value of the change of rotational kinetic energy (in J) from just before to just after the collision. Use the moment of inertia that is calculated from the mass and radius of the disc(s) (like you did in Q1). Round your answer to 4 decimal places. NB. AK = | Kf- K;| Your Answer: Answer
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Transcribed Image Text:Using the graph for the inelastic collision shown above, calculate the absolute value
of the change of rotational kinetic energy (in J) from just before to just after the
collision. Use the moment of inertia that is calculated from the mass and radius of
the disc(s) (like you did in Q1). Round your answer to 4 decimal places.
NB. AK = | Kf- K;|
Your Answer:
Answer
Saved
Using the graph for the inelastic collision shown above, what is the absolute value of
the rate of decrease of the speed of the system (in rad/s2) after the collision? Round
your answer to the same precision as you see in the graph.
Your Answer:

Transcribed Image Text:Q6 to Q10 are based on the following graph that shows the angular velocity as a
function of time for an inelastic collision between two discs, similar to the collision
done in Part 2 of your lab.
Inelastic collision
50-
40-
Linear Fit for: Data Set | Ang. velocity
omega = mt+b
m (Slope): -0.5269 rad/s/s
b (Y-Intercept): 47.10 rad/s
Correlation: -0.9983
RMSE: 0.06649 rad/s
Statistics for: Data Set |Ang. velocity
min: 20.81 at 10.69 max: 41.91 at 9.963
30-
Linear Fit for: Data Set | Ang. velocity
omega = mt+b
m (Slope): -0.2070 rad/s/s
b (Y-Intercept): 22.88 rad/s
Correlation: -0.9744
RMSE: 0.1089 rad/s
20-
10-
10
15
20
(5.72, 19.03) (At:22.00 Ay:0.00)
Time (s)
Ang. velocity (rad/s)
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