Electricity from fusion nuclear energy a. is not possible. b. accounts for less than 15 percent of current world electricity production. c. has been achieved, but is not yet practical. d. has been increasing for the past seventy years.

Aparticle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 8.00î m/s. find (a) the vector position of the particle at any time t (where t is measured in seconds), (b) the velocity of the particle at any time t, (c) the position of the particle at t = 7.00 s, and (d) the speed of the particle at t = 7.00