1.

The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is

A. ½ sec
B. 1 sec
C. 1.2 sec
D. 1.5 sec
Answer» C. 1.2 sec


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