The instantaneous velocity of a particle at t1 is represented by
1, and at t2 by
2. Each heavy graph division is 10 m/s on each side. Let t1 = 1 s and t2 = 7 s. Then the average acceleration of the particle between time t1 and t2 is
A) 18.2 m/s2 at 0º
B) 15.0 m/s2 at 180º
C) 6.06 m/s2 at 98º
D) 5.00 m/s2 at 180º
E) 3.03 m/s2 at 98º
Correct Answer:
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