9-08-ProjectileMotionI

9-08-ProjectileMotionI - 4-1 Motion in Two DimensionsIf...

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Unformatted text preview: 4-1 Motion in Two DimensionsIf velocityis constant, motion is along a straight line:tvtv)cos(cos)(θθ==tvtv)sin(sin)(θθ==tv)cos(θ=tv)sin(θ=The turtle’s two dimensional motion can be treated as a combination of separate xand ymotions.4-1 Motion in Two Dimensions (constant acceleration)Motion in the x- and y-directions should be solved separately:)(2)(2222121xxavvattvxxtvvxxatvv−=−++=++=+=Compared to 1D equations:4-2 Projectile Motion: Basic EquationsThe acceleration is independentof the direction of the velocity:Motion of a body in the field of gravityFundamental Concept: The horizontal component (x) and the vertical component (y) of the motion are two independent1-dimensional motions.xyThe vertical (y) motion of diver 2 is exactly the same as the vertical motion of diver 1. Independence of vertical and horizontal motionsThe horizontal (x) motion of the ball is exactly the same as thehorizontal motion of the girl....
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9-08-ProjectileMotionI - 4-1 Motion in Two DimensionsIf...

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