Question

Galileo wanted to release a wooden ball and an iron ball from a height of 100
meters and measure the duration of their fall.
He found a plane with an incline of 12 degrees that he could climb until he could get to an altitude of 100 m. How far should Galileo walk up the inclined plane?

Answer 1

Given :  a plane with an incline of 12 degrees that he could climb until he could get to an altitude of 100 m

To find : How far should Galileo walk up the inclined plane?

Solution:

Height = 100  m

a plane with an incline of 12 degrees  with horizontal

Hence  Sin 12   =  Height / Distance Galileo has to walk on inclined plane

=> 0.2079  = 100/Distance Galileo has to walk on inclined plane

=>  Distance Galileo has to walk on inclined plane = 100/(0.2079)

=> Distance Galileo has to walk on inclined plane = 480.97  m

Galileo walk up the inclined plane for 480.97  m

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