PHY2020 Conceptual Physics physics 1 formula sheet University of South Florida

University of South Florida

PHY2020 Conceptual Physics physics 1 formula sheet University of South Florida

 ∆𝑥 ≡ 𝑥𝑓 – 𝑥𝑖  Avg speed ≡ 𝑡𝑜𝑡𝑎𝑙 𝑑𝑖𝑠𝑡𝑎𝑛𝑐𝑒 𝑡𝑟𝑎𝑣𝑒𝑙𝑒𝑑 𝑡𝑜𝑡𝑎𝑙 𝑡𝑖𝑚𝑒  𝑉𝑎𝑣𝑔 ≡ ∆𝑥 ∆𝑡 = 𝑥𝑓−𝑥𝑖 𝑡𝑓−𝑡𝑖
 𝑣 ≡ lim ∆𝑡→0 𝑣𝑎𝑣𝑔 = lim ∆𝑡→0 ∆𝑥 ∆𝑡
 𝑎𝑎𝑣𝑔 ≡ ∆𝑣 ∆𝑡 = 𝑣𝑓−𝑣𝑖 𝑡𝑓−𝑡𝑖

 𝑎 ≡ lim ∆𝑡→0
𝑎𝑎𝑣 = lim ∆𝑡→0
∆𝑣 ∆𝑡
 Constant linear acceleration  𝑣 = 𝑣𝑜 +𝑎𝑡  𝑥 = 𝑥𝑜 + 1 2 (𝑣𝑜 +𝑣)𝑡  𝑥 = 𝑥𝑜 +𝑣𝑜𝑡 + 1 2 𝑎𝑡2  𝑣2 = 𝑣0 2 +2𝑎(𝑥 −𝑥0)

 ∑𝐹 = 𝑚𝑎

 𝑊 = 𝑚𝑔

 𝑓 𝑠 ≤ 𝜇𝑠𝑁  𝑓𝑘 = 𝜇𝑘𝑁

 |𝐹| = 𝑘𝑥  𝑎𝑐 = 𝑣2 𝑟

 𝑊 ≡ 𝐹𝑑cos𝜃  𝐾 ≡ 1 2 𝑚𝑣2  𝑊𝑛𝑒𝑡 = ∆𝐾
 𝑊 = 1 2
𝑘𝑥2
 𝑃 = 𝑊 𝑡
= 𝐹𝑣
 𝑊 𝑐 = −∆𝑈  𝑈𝑔𝑟𝑎𝑣 ≡ 𝑚𝑔𝑦  𝐸 ≡ 𝐾 +𝑈
 𝑈𝑠𝑝𝑟𝑖𝑛𝑔 ≡ 1 2
𝑘𝑥2
 𝑊𝑛𝑐 = ∆𝐸

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