Constant Acceleration - 2D (AQA A-Level Mathematics): Quizzes

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suvat in 2D
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Why is the equation v2=u2+2asv^2 = u^2 + 2as invalid in 2D motion?

Vectors cannot be squared

How many SUVAT equations are valid in 2D?

4

What is the acceleration vector when velocity is constant?

(0,0)(0, 0)

What does 'due east' mean in vector kinematics?

y=0y = 0 and xx has a value

What condition defines 'north-east' direction?

xx-coordinate equals yy-coordinate

What is the speed of a particle with velocity (3,10)(3, 10) m s1^{-1}?

109\sqrt{109} m s1^{-1}

Position equals initial position plus what?

Displacement

Which equation finds velocity from u\mathbf{u}, a\mathbf{a}, and tt?

v=u+at\mathbf{v} = \mathbf{u} + \mathbf{a}t

When do two particles meet?

Position vectors equal at same time

Using v=u+at\mathbf{v} = \mathbf{u} + \mathbf{a}t, if u=(3,1)\mathbf{u} = (-3, 1), a=(2,3)\mathbf{a} = (2, 3), t=3t = 3, find v\mathbf{v}.

(3,10)(3, 10)

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