Ablock lies on a horizontal frictionless surface and
isattached to the free end of a spring, with a spring constant of
60n/m. initially, the spring is at its relaxed length and the
blockis stationary at position x = 0. then an applied force with
aconstant magnitude of 3 n pulls the block in the positive
directionof the x axis, stretching the spring until the block
stops. assumethat the stopping point is reached. what is the
position of theblock?

0.1 m

Explanation:

F = Force exerted on spring = 3 N

k = Spring constant = 60 N/m

x = Displacement of the block

As the energy of the system is conserved we have

The position of the block is 0.1 from the initial position.

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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