[" Q.11If the displacement of a particle...

[" Q.11If the displacement of a particle is "(2t^(2)+t+5)" meter "],[" then,what will be acc.at "t=5" second? "],[[" (a) "21m/s^(2)," (b) "20m/s^(2)],[" (c) "4m/s^(2)," (d) "10m/s^(2)]]

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