I've been bumping this all morning trying to get help. Will someone please explain how to get the answer please! Indiana Jones is being pulled from a snake pit
Physics
patherMerlil
Question
I've been bumping this all morning trying to get help. Will someone please explain how to get the answer please!
Indiana Jones is being pulled from a snake pit with a rope that breaks if the tension in it exceeds 755N. (a) If Indiana Jones has a mass of 73.0kg and the snake pit is 3.40m deep, what is the minimum time necessary to pull our intrepid explorer from the pit?
Indiana Jones is being pulled from a snake pit with a rope that breaks if the tension in it exceeds 755N. (a) If Indiana Jones has a mass of 73.0kg and the snake pit is 3.40m deep, what is the minimum time necessary to pull our intrepid explorer from the pit?
1 Answer

1. User Answers Somu155
I am giving you my calculation if you find the correct one then please comment on this answer and I will remove it. I WANT THE CORRECT ANSWER IF YOU FIND IT.
Since the maximum tension is 755 N and assuming the initial velocity to be 0
We can write the free body equation as
T  mg = ma where a is the acceleration with which he is being pulled
= 755  73×9.81 = 73×a
So a = 0.53 m/s²
Also s = ut + 1/2at² , u = 0 , s = 3.4 m
Solving the above we get t = 3.58 sec