The displacement of a block attached to a horizontal spring whose spring constant is 14N/m is given by* = 0.7m x cos (²(2,8 t -- 0.8).The block is of mass 1.78kg.J.The total energy of the system is 3.43What is the earliest time (t > 0) when the kinetic energy equals one-half the potential energy?m/s².The acceleration of the block at t = 0.3 s isS.

The displacement is given as x=0.7 m×cos2.8st-0.8 The general equation for displacement is x=A…

The displacement of a block attached to a horizontal spring whose spring constant is 14N/m is given by x = 0.7m x cos (2,8 t - 0.8). kg. The block is of mass 1.78 J. The total energy of the system is 3.43 What is the earliest time (t > 0) when the kinetic energy equals one-half the potential energy? m/s². The acceleration of the block at t = 0.3 s is S.

The displacement of a block attached to a horizontal spring whose spring constant is 14N/m is given by x = 0.7m x cos (2,8 t - 0.8). kg. The block is of mass 1.78 J. The total energy of the system is 3.43 What is the earliest time (t > 0) when the kinetic energy equals one-half the potential energy? m/s². The acceleration of the block at t = 0.3 s is S.