Could you please proofread and correct scientifically and grammatically my work,
ID: 1685777 • Letter: C
Question
Could you please proofread and correct scientifically and grammatically my work, thanks ^_^Here it is: The percentage error was found to be 0.186% and 6.66% respectively.
This implies that the predicted value of the freefall acceleration is fairly accurate while the predicated value of deceleration is not as much. The encountered errors were due to several experimental and human limitation was that the experiment involved. The experimental limitation was due to the uncertainty of the clinometer which was ± 0.5o.
I.e. In our calculation, a difference of 0.5o can lead to a difference of 40 - 80 cm in height as shown below:
The human limitations was due to the human eye being unable to detect the exact point on the track at which the gondola decelerates. This is because the braking happened very quickly. This adds an uncertainty to the location of deceleration when the angels are being measured.
In addition, the human ability cannot decide on the exact period of time at which the gondola freefalls or decelerates. This is due to the human reaction speed being unable to exactly determine the start time of the momentary freefall and deceleration. The time taken for humans to react cannot be measured thus it cannot be subtracted from the findings to get an accurate timing.
All of these limitations that have affected the accuracy of the results could be avoided to some extent by marking the exact zones required on the track of the giant drop as well as using an electronic angle measurer to measure the angles . Additionally, the usage of an electronic timer to measure periods of the freefall and deceleration is also suggested.
During the analysis, finding an average to the deceleration in the accelerometer reading (using Logger Pro) was only estimated using the human naked eye. This is because an average could not be taken electronically. Thus, there is also some uncertainty involved in the theoretical value.
NOTE:
The value for freefall acceleration obtained from the video-analysis technique was 9.754 ± 0.3237 m/s2. 9.754 m/s2 has a percentage error of :
0.469%
This value indicates it is fairly accurate and can be used as a conforming result to the theoretical value. The error involved is due to the fact that the video was shaking, thus plotting the velocity/ time graph of the gondola at different times was negatively affected; although the axes was roughly re-set at every frame.
Here it is:
Explanation / Answer
All of these limitations that have affected the accuracy of the results could be avoided to some extent by marking the exact zones required on the track of the giant drop as well as using an electronic angle measurement device . Additionally, the usage of an electronic timer to measure periods of the freefall and deceleration period is also suggested.
In addition, the human ability cannot decide on the exact period of time at which the gondola freefalls or decelerates. This is due to the human reaction speed being unable to exactly determine the start time of the momentary freefall and deceleration. The infinitesimal change of time taken for humans to react cannot be measured thus it cannot be subtracted from the findings to get an accurate timing.
The human limitations was due to the human The limitations were among others the human eye being unable to detect the exact point on the track at which the gondola decelerates. This is because the braking happened very quickly. This adds an uncertainty to the location of deceleration when the angels angles are being measured
The value for freefall acceleration obtained from the video-analysis technique was 9.754 ± 0.3237 m/s2, with a percentage error of 0.469%. 9.754 m/s2 has a percentage error of 0.469%
Make the changes accordingly, the rest looks good. Good Luck