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Grade 11 Question Need Help Quick

  • Thread starter LiquidIce
  • Start date

LiquidIce

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
 

outerrim

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.
 

LiquidIce

um.......whats zf stand for
 

outerrim

What you are looking for. (How high above the bottom of his swing will he go)

You know what the others stand for right?
 

LiquidIce

i just found out that they also gave the mass of tarzan in the question the mass is 60kg
 

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