In this lab we did multiple trials shooting a ball and measuring the distance it went in specific times to reach our target. We were then able to conclude the path of the ball after we did our trials.
Photogate, Projectile Launcher, Accessory pad, meter stick, paper, carbon paper, safety glasses, ball, plunger
The photogate starts a timer as the projectile passes through and stops after the ball hits the pad. Connect the photogate, and pad to the capstone, and set up a time of flight timer. Add one extra digit of precision in your display.
Our plan consisted of us moving the pad to 5 different heights and distances, each time getting closer and higher, or farther away and lower, we only counted the trial if the ball hit the pad.
We neglected to count for air resistance and drag. The air in the room was not a controlled environment and likely changed for every shot. We also did not re calibrate the launcher between launches, it is likely the launcher would move slightly, due to the force of the projectile being propelled out of it.
Our results for this lab, were not expected, and this is due to many errors as discussed above. Acceleration should be close to 9.8m/s however we ours was calculated at 5.8693m/s. The difference of these values proves that we did not account for certain factors and must have made mistakes in our trials. Our percent errors were above 10%, this Could be due to inconsistencies with the launcher, or the other factors we didn’t calculate. If we had relized our mistakes earlier we likely could have reproduced this lab, as it was fairly simple.