Question 159118
s=16t^2 + 32t
175=16t^2+32t
16t^2+32t-175=0
Using the quadratic equatuion:{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} We get:
t=(-32+-sqrt[32^2-4*16*-175])/2*16
t=(-32+-sqrt[1,024+11,200])/32
t=(-32+-sqrt[12,224]/32
t=(-32+-110.56)/32
t=(-32+110.56)/32
t=(78.56)/32
t=2.5 seconds.