The correct answer would be to express large and small numbers.
Answer:
The initial velocity is 50 m/s.
(C) is correct option.
Explanation:
Given that,
Time = 10 sec
For first half,
We need to calculate the height
Using equation of motion

....(I)
For second half,
We need to calculate the time
Using equation of motion



Put the value of h from equation (I)


According to question,


Put the value of t₁ and t₂



Here, g = 10
The initial velocity is


Hence, The initial velocity is 50 m/s.
Biosphere is the answer, hope i helped :))
I want to say that they will be primarily flat but I honestly don't know
Answer:
I believe it might be point A since the question ask what will result in the ln a largest increase in potential energy
Explanation: