Two objects were projected vertically upwards

at different time with a speed of 80ms-¹ and
100ms-¹ respectively.if the time interval is 2
sec,when and where would they meet.?
Step plz

1 answer

same height?

h1=80*t-4.9t^2
h2=100(t-2)-4.9 (t-2)^2

set h1=h2
solve for t. Notice it is a quadratic.
with t, now solve for either h.