16 lines
770 B
Plaintext
16 lines
770 B
Plaintext
== UNIT 1: KINEMATICS ==
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Scalars vs vectors: magnitude only vs magnitude+direction
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1D motion: track position, velocity, acceleration separately
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Slope of position-time = velocity
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Slope of velocity-time = acceleration
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Area under velocity-time = displacement
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Average velocity = total displacement / total time
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Constant acceleration: use kinematic equations
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Instantaneous velocity = slope of position-time at point
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Reference frames: relative velocity
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Vectors in 2D: add/subtract components, resolve angles
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Projectile: horizontal = constant velocity, vertical = constant acceleration
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Range = v_x*t, max height = v_y^2/(2g)
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Symmetry: time up = time down (launch/land same height)
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Acceleration always points down = g
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Equal time intervals: equal vertical displacement increments |