For this we almost have the following equation:

We must match the equation to zero:

From here, we clear the value of t.
We have then:

We discard the negative root because we are looking for time:
Answer:
it will take him to reach the ground about:

seconds
Answer is 0.05. 2 people told me they were going to give me brainlest but didn’t so please give me brainlest
They have different masses