ECE644

ECE 6E44 TEST BANK REVISION PACK.3. The position y of a particle moving along the y axis depends on the time t according to the equation y = at – bt2 . The dimensions of the quantities a and b are respectively: A) L2 /T, L3 /T2 B) L/T2 , L2 /T C) L/T, L/T2 D) L3 /T, T2 /L E) none of these Ans: C Difficulty: E Section: 2-3 4. The average speed of a moving object during a given interval of time is always: A) the magnitude of its average velocity over the interval B) the dista...