A block of mass 5 kg moves along the x-direction subject to the force F = (−20x + 10) N, with the value of x in metre. At time t= 0 s, it is at rest at position x = 1 m. The position and momentum of the block at t = (pi/4) s are
A block of mass 5 kg moves along the x-direction subject to the force F = (−20x + 10) N, with the value of x in metre. At time t= 0 s, it is at rest at position x = 1 m. The position and momentum of the block at t = (pi/4) s are