Grade 11 Question Need Help Quick

  • Thread starter LiquidIce
  • Start date
  • #1
The question is something like this im not sure exactly cuz it was on my test.

Tarzan is running at 8.0 m/s and jumps onto a vine. How high above the bottom of his swing will he go ?

Plz help i have no clue how to do this
 

Answers and Replies

  • #2
Put what you have into a COE equation.
0= .5mvf^2 - .5 mvi^2 + mgzf - mgzi

vf=0 at top of swing
zi=0 in my reference frame

so 0= -.5 mvi^2 + mgzf

and solve for zf.
 
  • #3
um.......whats zf stand for
 
  • #4
What you are looking for. (How high above the bottom of his swing will he go)

You know what the others stand for right?
 
  • #5
i just found out that they also gave the mass of tarzan in the question the mass is 60kg
 

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