Physics 1101 Information Sheet
∆𝐴(𝑥,𝑦,𝑧)= 𝜕𝐴
𝜕𝑥 ∆𝑥+𝜕𝐴
𝜕𝑦 ∆𝑦+𝜕𝐴
𝜕𝑧 ∆𝑧 𝑉𝐶= 𝜋𝑟2𝐿 𝑉𝐵= 𝐿𝑊𝐻 𝑉𝑆= 4
3𝜋𝑟3
𝐴𝑥=𝐴𝑐𝑜𝑠𝜃 𝐴𝑦=𝐴𝑠𝑖𝑛𝜃 𝜃 = 𝑡𝑎𝑛−1 (𝐴𝑦
𝐴𝑥) 𝐴 = √𝐴𝑥
2+𝐴𝑦
2
𝑎𝐶= 𝑣2
𝑟 ∑𝑭
= 𝑚𝒂
∑𝑭
= 0 ∑𝜏 = 0
𝜏 = 𝐹𝑠 𝑠𝑖𝑛𝜃 ∑𝜏 = 𝐼𝛼 𝐹 = 𝑘∆𝑦 𝑇 = 2𝜋√𝑚
𝑘 𝑇 = 2𝜋√𝑙
𝑔
𝑊 = 𝐹𝑑 𝑐𝑜𝑠𝜃 𝑊𝑡𝑜𝑡𝑎𝑙 = ∆𝐾𝐸 = 1
2𝑚𝑣𝑓
2− 1
2𝑚𝑣𝑖2 ∆𝑈 = −𝑊𝑔=𝑚𝑔∆𝑦
∆𝐾𝐸 = −∆𝑈+ 𝑊𝑓 𝐸 = 𝐾𝐸+𝑈 𝐾𝐸 = 1
2𝑚𝑣2
𝑚𝑔ℎ = 1
2𝑚𝑣2+ 1
2𝐼𝜔2 𝐼 = 𝑚𝑟2[𝑔
𝑎−1− 𝑓
𝑚𝑎] 𝑓 = 𝑚𝑔(ℎ𝑖− ℎ𝑓)
(ℎ𝑓+ℎ𝑖−2ℎ0)
𝜔𝑎𝑣𝑒 =∆𝜃
∆𝑡 𝛼𝑎𝑣𝑒 =∆𝜔
∆𝑡 ℎ = 𝑟𝜃 𝑣 = 𝜔𝑟 𝑎 = 𝛼𝑟
𝑓 = 𝜇𝑁 𝒑𝑖
=𝒑𝑓
𝒑
=𝑚𝒗
𝑣 = 𝜆𝑓 𝐿 = 𝑛𝜆
2
𝑣2= 𝑣0
2+2𝑎∆𝑥 𝑣 = 𝑣0+𝑎𝑡 𝑥 = 𝑥0+𝑣0𝑡+1
2𝑎𝑡2 𝑣 = √𝑇
𝑑𝑙
𝑔 = 9.80 𝑚
𝑠2 log(𝑥𝑦)=log𝑥+log𝑦 log(𝑥𝑛) = 𝑛 log𝑥
