A body is moving according to the equation x=at+bt^2-ct^3 where x= displacement and a,b and c are constants....

Question

A body is moving according to the equation x=at+bt^2-ct^3 where x= displacement and a,b and c are constants. The acceleration of the body is [BHU 2000, Similar AFMC 1999, RPMT 2006, CPMT 1999, Orissa JEE 2001, Orissa JEE 2009]

Accepted Answer

(C)

JEE Main Physics question

Solution