2586638
Descrição
FlashCards por Christine Laurich, atualizado more than 1 year ago
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Criado por Christine Laurich
mais de 9 anos atrás
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| Questão | Responda |
| 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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