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Unformatted text preview: 0.4m tangent y components: v y,f = 0m/s v y,i = 4m/s a y = 10m/s/s So t = 0.4s y = 0.8m y components: v y,i = 0m/s y = 0.4m y = 0.4m a y = 10m/s/s v y,f = ?m/s t = 0.28s v y = 2.8m/s v y,f = 2.8m/s v ave,y = 2m/s y = 0.8m Projectile Motion Example: An object is thrown with a velocity of 4m/s up and 3m/s west. The acceleration is 10m/s 2 directed down. Find the velocity at the point shown, 0.4m above the ground. 0.4m tangent y components: v y,0 = 0m/s v y,f = ?m/s y = 0.4m a y = 10m/s/s t = 0.28s v y = 2.8m/s v y,f = 2.8m/s 2.8m/s 3.0m/s 4.1m/s = 43 y = 0.8m y = 0.4m Projectile Motion Example: An object is thrown with an unknown velocity at 53 above the horizontal, reaching a height of 6.0m. The acceleration is 10m/s 2 directed down. Find the initial velocity. 6.0m...
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This note was uploaded on 12/21/2010 for the course PHYS Physics 21 taught by Professor Larrywatson during the Fall '08 term at North Dakota.
 Fall '08
 LarryWatson
 Physics, Projectile Motion

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