You need to calculate an object's displacement using the data listed. Which expression will you use? 1: Acceleration, time and initial speed ____ 2: Initial speed, time, and final speed ____ 3: Time, final speed and acceleration ____匹配题
A
u² + ½at²
B
(v² - u²)/2 x
C
vt - ½at²
D
ut + ½at²
E
½ (u +v) t
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