Kinematics Formulae

Christine Laurich
Flashcards by Christine Laurich, updated more than 1 year ago
Christine Laurich
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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