{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

formulasheet2-coversheet(1)

# formulasheet2-coversheet(1) - Formula Sheet for LSU Physics...

This preview shows pages 1–2. Sign up to view the full content.

Formula Sheet for LSU Physics 2101, Exams, Spring ’11 Units: 1m = 39.4in = 3.28ft 1mi = 5280ft 1min = 60s, 1day = 24h 1rev = 360 = 2 π rad Constants: g = 9.8m/s 2 Quadratic formula: for ax 2 + bx + c = 0 , x 1 , 2 = - b ± b 2 - 4 ac 2 a Magnitude of a vector: | ~a | = q a 2 x + a 2 y + a 2 z Dot Product: ~a · ~ b = a x b x + a y b y + a z b z = | ~a | ~ b cos( φ ) ( φ is smaller angle between ~a and ~ b ) Cross Product: ~a × ~ b = ( a y b z - a z b y ı +( a z b x - a x b z +( a x b y - a y b x ) ˆ k , ~a × ~ b = | ~a | ~ b sin( φ ) Equations of Constant Acceleration: linear equation along x missing v x = v ox + a x t x - x o x - x o = v ox t + 1 2 a x t 2 v x v 2 x = v 2 ox + 2 a x ( x - x o ) t x - x o = 1 2 ( v ox + v x ) t a x x - x o = v x t - 1 2 a x t 2 v ox Vector Equations of Motion for Constant Acceleration: ~ r = ~ r o + ~v o t + 1 2 ~at 2 , ~v = ~v o + ~at Projectile Motion: (with + direction pointing up from Earth) x - x o = ( v o cos θ o ) t y - y o = ( v o sin θ o ) t - 1 2 gt 2 v x = v o cos θ o v y = ( v o sin θ o ) - gt v 2 y = ( v o sin θ o ) 2 - 2 g ( y - y o ) y = (tan θ o ) x - gx 2 2( v o cos θ o ) 2 R = v 2 o sin(2 θ o ) g Newton’s Second Law: X

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 3

formulasheet2-coversheet(1) - Formula Sheet for LSU Physics...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online