# Kinematics Formulae

Flashcards by Christine Laurich, updated more than 1 year ago
 Created by Christine Laurich almost 6 years ago
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### Description

? Physics SL Flashcards on Kinematics Formulae, created by Christine Laurich on 04/25/2015.

## Resource summary

 Question Answer Speed speed = distance / time v = Δs / Δt Acceleration acceleration = change in velocity / time taken a = Δv / Δt First equation of motion final velocity = initial velocity + accelerationxtime v = u + at Second equation of motion displacement = ½ (initial velocity + final velocity) x time s = ½ (u + v)t Third equation of motion displacement = initial velocityxtime + ½ accelerationxtime^2 s = ut + ½ at^2 Fourth equation of motion displacement = initial velocity (final velocity – initial velocity / acceleration) = ½ acceleration (final velocity – initial velocity / acceleration) squared s = u(v – u / a) + ½ a(v – u / a)^2 Fifth equation of motion final velocity squared = initial velocity squared + 2 accelerationxdisplacement v2 = u2 + 2as Weight weight = mass x gravitational field strength W = M x g Joules Joules = newton x meter J = N x m → 1J = 1Nm Kinetic energy Kinetic energy = 0.5 x mass x velocity or speed KE = 0.5mv^2 Terminal velocity Terminal velocity = square root (2 x mass x gravity)/(density x projected area x drag coefficient) V = √(2mg)/(ρAC) Gravity Force = mass x acceleration F = m x a Density Mass/unit volume ρ = m/vol

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