2053Lecture4 - The Equations of Motion The Topics of...

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Unformatted text preview: The Equations of Motion The Topics of Discussion Topics The Equations of One–dimensional dimensional Motion with Constant Acceleration Motion Freely Falling Bodies The General Equation of Two– dimensional Motion Projectile motion The Equations of One-Dimensional Motion with Constant Acceleration Motion v = v0 + a t y = (v0 + v)t / 2 y = y0+ v0t + at / 2 2 v = v + 2a (y – y0) 2 2 0 Freely Falling Bodies Freely The value of the gravitational acceleration The gravitational g is –9.8m/s2 or –32ft/s2. v = v0 + g t y = (v0 + v)t / 2 2 y = y0+ v0t + gt / 2 v2 = v02 + 2g (y – y0) The Equations of Two–dimensional Motion with Constant Acceleration Motion x-component vx=v0x+axt x=(v0x+vx)t/2 x= x=x0+v0xt+axt2/2 vx2=v0x2+2ax(x–x0) y-component vy=v0y+ayt y=(v0y+vy)t/2 y=y0+v0yt+ayt2/2 vy2=v0y2+2ay(y–y0) Projectile Motion ...
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