How to read equations
Fractions
•1
•1
•3
2
3
4
• one half
• one third
• three quarters
Powers
• 𝑥2
• 𝑥3
• 𝑥8
• 𝑥5
𝑎
𝑥
• x squared
• x cubed
• x to the eighth
• x to the fifth
𝑆𝑞𝑢𝑎𝑟𝑒 𝑅𝑜𝑜𝑡
• 𝑥
•
𝑙
𝑔
•
𝑚
𝑘
• square root of x
• square root of ell over gee
• square root of emm over kay
Subscripts
• 𝑥0
• 𝑣0
• 𝑣𝑥
• 𝑎𝑐
• X naught (initial)
• v naught (initial)
• Vee ex
• Tell us this is centripetal
acceleration
Let’s try
• v=at
• v=𝑣0 +at
• x=𝑥0 +
1
𝑣0 t+ 𝑎𝑡 2
2
• vee equals a tee
• vee equals v naught plus a tee
• x equals x naught, plus vee
naught t, plus one-half a tee
squared
Things in parenthesis ( )
• 2 𝑎𝑥 (𝑥 − 𝑥0 )
• two a times the quantity x minus
x naught
Over
•a=
•
1
T=
𝑓
𝑣2
𝑟
• a equals vee squared over r
• tee equals one over f
Other symbols
•
•∆
•𝜃
• cos
• sin
• tan
• 𝑥
• Sum means total
• ”Delta” means change
• “Theta” and stands for angle
• cosine
• sine
• tangent
• Absolute value