(a) Define speed and velocity such that the two may be distinguished. An object moves with an initial velocity of 4ms-1 . If it moves with a uniform acceleration of 2ms-2 find the displacement after 20

A. 1/4 B.-1/4 C. 4 D. -4 E.1 The solution set of x2-x=x(x-1) is A. {0} B. {0,-1} C. {1,0} D. R E.∅ The solution set of the quadratic equation 2x2=4x is A. {0} B. {2} C. {0,2} D. (0,2) E. {(0,2)} The solution