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After one direction is chosen as positive, what sign does velocity in the opposite direction have?
A
It is on the negative side of the origin.
B
For velocity v(t)v(t)v(t), total distance travelled from t=at=at=a to t=bt=bt=b is ∫ab∣v∣ dt\boxed{\displaystyle\int_a^b |v|\,\mathrm{d}t}∫ab∣v∣dt.
C
The particle is stationary.
D
The velocity is negative.
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2.7.2 Kinematics Flashcards
21 flashcards on WJEC A Level Maths 2.7.2 Kinematics: the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4.