A particle of mass 2 kg travels according to equation S = 3t 3 + 2t. Find the work done in 3 second of its motion.
Text Solution
Verified by ExpertsThe correct answer is:
B
W = 
KE = 
= 9t 2 + 2
= 
× 2 (83 2 – 2 2 )
v(c) = 83 ms –1 and v(0) = 2 ms –1
= (6889 – 4) = 6885 J.
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