![]() ![]() The results of this lab concur with my theory, and demonstrate that one can virtually predict the range of a projectile by using the right procedures. If the object is thrown from the ground then the formula is R Vx t Vx 2 Vy / g. We can use the terminal velocity to simplify this equation: a du / dt g u2 / Vt2 (1 / u2) du (g / Vt2) dt Integrating the equations, with the limits on the velocity from the initial velocity Uo to U, we obtain: u dx/dt Vt2 Uo / (Vt2 + g Uo t) The horizontal velocity is inversely dependent on the time. ![]() There was the possible chance of air movement due to the air conditioning/heating system and people moving about the room, however this air movement is so picayune that error caused to the lab from this factor would be too minuscule to show up in my data. Range of a Projectile is nothing but the horizontal distance covered during the flight time. We performed this lab in an indoor environment that had no influence from outside factors. Moreover, human error in determining the last decimal place of the measured range values and the measured Δy value, as well as the placement of the range target paper at the predicted range measurement could affect the resulting average range. I do not think wind resistance is a factor in this lab. When aligning the mini launcher at 40.0° and the tape measure from the ground to the mini launcher using a plumb bob, parallax error could affect the resulting measurements due to the angle of observation. Why does its ascending motion slow down, and its descending motion speed up In our example, the baseball is a projectile. In these equations, v is the final velocity measured in metres per second (m/s), u is the initial velocity measured in m/s, a is the acceleration measured in metres per second squared (m/s 2), s is the displacement measured in metres (m), and t. To calculate projectile motion without an angle, we have to know the equations of motion, which are. There were possible sources of error that were present in this lab. Calculating projectile motion without an angle. The predicted range was in close proximity with the average range the 0.018-meter difference between the two ranges resulted in a percent difference of 7.279%. By splitting the 0.033-meter difference between the highest range value and the lowest range value, I discovered that the range measurement uncertainty is 0.0165 meters. Throughout this lab, I have predicted the range of a projectile using a derived equation and certain variables, such as Vo, θ, and ΔY, in order to recognize how close my theory came to the average range found. ![]()
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