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Some examples from this set of practice questions
1.
Displacement
Answer: Distance travelled from a starting point in a particular direction (vector)
2.
Velocity
Answer: Rate of change of displacement (vector)
3.
Acceleration
Answer: Rate of change of velocity
4.
Time (of flight)
Answer: Time taken for action to take place / for object to complete its motion
5.
Instantaneous speed
Answer: Speed of object at the specific moment it is measured – speed over an infinitesimal interval of time
6.
Average speed
Answer: Rate of change of distance with respect to time calculated over a complete journey
7.
Constant velocity
Answer: Motion in which change in displacement per unit time stays the same
8.
SUVATs
Answer: Equations of motion for constant acceleration in a straight line v = u + at v^2 = u^2 + 2as s = ut + 0.5at^2 s = 0.5(u + v)t
9.
Stopping distance
Answer: Total distance from driver first seeing reason to time when vehicle actually stops; sum of braking distance and thinking distance
10.
Thinking distance
Answer: Distance travelled by vehicle from when driver first perceives need to stop to when brakes are applied
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