A 31 kg object is experiencing a net force of 25 N while traveling in a circle of radius 25m. What is its velocity?

4.5m/s

Explanation:

Given parameters:

Mass of object  = 31kg

Net force  = 25N

radius  = 25m

Unknown:

Velocity  = ?

Solution:

To solve this problem, we must understand that the net force here is a centripetal force.

        F  =

F is the centripetal force

m is the mass

v is the velocity

m is the mass

               25  =  

               31v²   = 625

                 v²   = 20.2

                v  = 4.5m/s

neither accurate nor precise.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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