Answer:
u₀ = 17.14 m/s
Step-by-step explanation:
given,
bridge height = 44 m
initial speed of the first stone = 0 m/s
initial speed of the second stone = ?
difference after which the second stone is thrown = 1.72 s
for stone 1


for stone 2



t₁ = 14.69 s

u₀ = 17.14 m/s