Error Analysis:
·
We did three trials with
each ball to eliminate any oddball scores(pun intended)
·
We also used the same angle
for the mini launcher for each trial.
We could have done more trials with different varying weights to further decrease the error in our experiment.
We could have done more trials with different varying weights to further decrease the error in our experiment.
Conclusion:
We found that our hypothesis was
correct. As the mass of the ball increases, the acceleration decreases. This means that as the mass of the human
cannonball increases, their acceleration decreases and thus the net must be
closer to the cannon. We learned how to work different types of equipment and
how to apply smaller scale experiments to the real world. Using this information, we can see the relationships between different factors, such as weight, acceleration, and velocity, and their effect on the flight of the human cannonball.
The calculations behind a safe launch takes into account lots of different factors, such as the barrel angle, the wind speed, temperature, and more. Knowing the relationship between at least some of these factors helps us to understand in a more concrete way how one factor interlopes with the other. Knowing weight's relationship with the flight also helps us to understand forces effect on the body. The average human can experience around 8 g's before blacking out, while a human cannonball must experience 9-12 g's during their flight. A heavier person would experience less g's than a lighter person, as well as a decrease initial velocity, decreased horizontal distance, and a decreased vertical height at a constant angle and charge (or force used to launch the projectile). The g forces can also be controlled through training, as the human cannonballs must be physically fit to withstand the force without blacking out. They are also trained in tensing their body properly to avoid blacking out. Overall, this experience gave us insight to a couple of the factors that influence the flight of the cannonball.
The calculations behind a safe launch takes into account lots of different factors, such as the barrel angle, the wind speed, temperature, and more. Knowing the relationship between at least some of these factors helps us to understand in a more concrete way how one factor interlopes with the other. Knowing weight's relationship with the flight also helps us to understand forces effect on the body. The average human can experience around 8 g's before blacking out, while a human cannonball must experience 9-12 g's during their flight. A heavier person would experience less g's than a lighter person, as well as a decrease initial velocity, decreased horizontal distance, and a decreased vertical height at a constant angle and charge (or force used to launch the projectile). The g forces can also be controlled through training, as the human cannonballs must be physically fit to withstand the force without blacking out. They are also trained in tensing their body properly to avoid blacking out. Overall, this experience gave us insight to a couple of the factors that influence the flight of the cannonball.
As one can see, the human with the lower weight (shown in the first image) goes farther and higher than the human in the second image with a higher weight at a constant angle and charge. The person with the higher weight will also experience less g's, acceleration, starting velocity, and deceleration.
A further factor that is of importance is the calibration of the net in comparison to the launch, considering the factors discussed above. If not calibrated correctly, fatalities are sure to occur. We see this clearly in the tragic story of Evin Bale, who calculated his net using a test dummy that was saturated with water. The heavier weight of the test dummy led the crew to place the net farther away than the distance his true weight would travel. As one can see, weight plays an extremely important role in the safety of the human cannonball.
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