" if object is thrown downward:"
v_i=1m/s
y=14m
g=9,81m/s^2
y=v_i*t+1/2*g*t^2
14=1*t+1/2*9,81*t^2
4,905t^2+t-14=0
Delta=sqrt(1^2+4*4,905*14)
Delta=sqrt(1+274,68)
Delta=sqrt(275,68)
Delta=16,60
t=(-1+16,60)/(2*4,905)
t=(15,60)/(9,81)
t=1,59 " s"
"if object is thrown upward :"
t_u=v_i/g" "t_u=1/(9,81)" "t_u=0,10" s"
"elapsed time to reach peak point"
h=v_i^2/(2*g)
h=1/(2*9,81)" "h=0,05" m"
h_t=14+0,05=14,05" meters total height"
14,05=1/2*g*t^2" "28,1=9,81*t^2
t^2=(28,1)/(9,81)
t^2=2,86
t=1,69 " s"