Question 956618
For v=4.8 m/s 4.8=5.2x-x^2
x^2-5.2x+4.8=0
x^2-4x-1.2x+4.8=0
x(x-4)-1.2(x-4)=0
(x-1.2)(x-4)=0
x=1.2 or x=4.