This preview shows pages 1–5. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Experiment M4: Projectile Motion VI. 1) In this experiment, we released a ball down an apparatus from a height, S, and placed a board with carbon paper in front of the launching point for the ball to hit. This procedure was repeated 4 times each for 5 different distance intervals from the board to the launch point. H S # 1 2 3 4 5 6 tan 32 D (cm) 8 16 24 32 40 48 0 = = = 106 cm 32 35 cm h/D 0.59 0.3 0.12 0.02 0.22 0.4 0.6 d1 (cm) d2 (cm) d3 (cm) d4 (cm) d (cm) H  d (cm) 111.3 110.9 110.3 110.3 110.7 4.7 111.6 111.5 110.4 109.8 110.8 4.8 109.7 109.6 108.0 108.2 108.9 2.9 106.0 105.5 105.1 105.3 105.5 0.5 95.2 98.0 97.9 97.7 97.2 8.8 85.7 86.4 87.4 87.8 86.8 19.2 VI. 2) I plotted the graph of h/D vs. D with tan as the yintercept. h/D vs. D
0.6 0.4 0.2 0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 f(x) = 0.02x  0.68 VI. 4) I calculated the value of vo using the slope of the graph g 2*(v0^2)*(cos^2(32)) g 2*(slope)*(cos^2(32)) Slope v0^2 = = = = = = 0.02 980 2*(0.022)*(0.85^2) 980 0.03 30827.3 cm/s^1 175.58 cm/s^1 v0 = VI. 5) I then calculated vo by the given equation and the slope value from the graph. v0^2 = 10*(g)*(S) 7 = = = 10*(980)*(35) 7 343000 7 49000 cm/s^1 221.36 cm/s^1 v0 = These two values I calculated using the different methods are quite different, mainly due to various human error and air resistance. VI. 6) I used the errors in slope and intercept to calculate the error of v bb b^2 + 1 m 2*m v0 = = v0 * ^2 + ^ 2 ^ 0.5 52.5 cm/s^1 a sadf a gwaegaweg awegweg Questions: 1. x=(vcos)t t=x/(vcos) y=(vsin)t1/2(g*t^2) y=(xvsin)/vcos)1/2(g(x/(vcos)^2)) (eq.9)y=(xtan)(gx^2)/2(v^2)cos^2() 2. t=((vsinvy)/g) ...
View
Full
Document
This lab report was uploaded on 04/08/2008 for the course PHY 158 taught by Professor Staff during the Spring '08 term at SUNY Buffalo.
 Spring '08
 Staff
 Physics, Projectile Motion

Click to edit the document details