A spring block system is executing SHM with angular frequency of 1 rad/sec and has an amplitude of 2m. Find the maximum kinetic energy of the system.Given mass of the block is 2 kg.
A
1J
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B
4J
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C
10J
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D
Data insufficient
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Solution
The correct option is B 4J KE=12m(ω√A2−x2)2 K.E. is max at x = 0 (mean position) ⇒KEmax=12m(ω2A2) =122(22) KEmax=4J.