A 0.500 kg particle moving along a straight line with a position vector given by r = (-2.00t2 - t) i(hat) + 5.00 j(hat), with r in meters and t in seconds, starting at t = 0.
A. Obtain the velocity of this particle, v(t).
B. Obtain the acceleration of this particle, a(t).
C. Obtain the net force on this particle, Fnet(t).
D. Obtain the net torque about the origin on this particle,T(t).
E. Obtain the kinetic energy of this particle, K(t).
F. Estimate how much work was done on this particle by the force for the first 10 seconds after the start.