A particle moving in the x direction is being acted upon by a net force F(x)=Cx2, for some constant C. The particle moves from xi=L to xf=3L. What is ΔK, the change in kinetic energy of the particle during that time?

Change in kinetic energy is ( 26CL³)/3

Explanation:

Given :

Net force applied, F(x) = Cx²  ....(1)

Displacement of the particle from xi = L to xf = 3L.

The work-energy theorem states that change in kinetic energy of the particle is equal to the net amount of work is done to displace the particle.

That is,

ΔK = W = ∫F·dx

Substitute equation (1) in the above equation.

ΔK =  ∫Cx²dx

The limit of integration from xi = L to xf = 3L, so

Substitute the values of xi and xf in the above equation.

muscle endurance

explanation:

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