The speed (v) of a particle moving along a straight line is given by v = t 2 + 3t – 4 where v is in m/s and t in second. Find time t at which the particle will momentarily come to rest.
Text Solution
Verified by ExpertsThe correct answer is:
D
When particle comes to rest, v = 0.
So t 2 + 3t – 4 = 0 ⇒ t = 
⇒ t = 1 or –4
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