Answers

2014-06-23T14:08:41+05:30
X = 3t³ - 2t² + 4t - 1
v = dx/dt = 9t² - 4t + 4
put t = 3/2
v = 81/4 - 6 + 4 =81/4 - 2
v = 73/4 m/sec.
a = dv/dt = 18t - 4
put t = 3/2
a = 27 - 4 = 23 m/sec². 
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