shukronaasadova4 shukronaasadova4
  • 11-01-2021
  • Physics
contestada

Jerry measures the time it took for a ball dropped from a balcony to hit the ground. His stopwatch reads 2.6 s. How high is the balcony?

Respuesta :

quasarJose
quasarJose quasarJose
  • 15-01-2021

Answer:

33.12m

Explanation:

Given parameters:

Time of fall  = 2.6s

Unknown:

Height of the balcony  = ?

Solution:

To solve this problem; use this expression:

    H  = ut + [tex]\frac{1}{2}[/tex] gt²

u is the initial velocity

t is the time

 g is the acceleration due to gravity  = 9.8m/s²  

 

 So;

          H  = (0 x 2.6) + ( [tex]\frac{1}{2}[/tex] x 9.8 x 2.6²)  = 33.12m

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