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11 questions from this quiz
Rate of change of displacement w/ time
Vector (magnitude & direction)
metres per second (m s−1\text{m s}^{-1}m s−1)
20 m s−1\text{m s}^{-1}m s−1 north
Increasing speed
Instantaneous velocity
Direction continuously changes
50 Hz
Constant velocity
Trolley speeding up (accelerating)
Length of card / time to interrupt beam
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