A particle moves according to the equation x = 2t 2 – 5t + 6. Find (i) average velocity in the first 3 sec and (ii) velocity at t = 3 s.
Text Solution
Verified by ExpertsThe correct answer is:
A
x(3) = 2(3) 2 – 5(3) + 6 = 93x (0) = 6
v av = 
= 1 ms -1
= 4t – 5 = 4(3) – 5 = 7 ms -1
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