More Conservation of Energy Problems Video Lessons

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Problem: A particle slides along the frictionless track shown in the figure, starting at rest from point A.Find its speed at B.Express your answer using two significant figures.----------------------------

FREE Expert Solution

Conservation of energy:

U0 + KE0 + Wnc = Uf + KEf

Potential energy:

U=mgh

Kinetic energy:

KE=12mv2

KE0 = 0 (velocity at a is zero).

U0 = mghA 

Work done by non-conservative forces, Wnc is zero.

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Problem Details


A particle slides along the frictionless track shown in the figure, starting at rest from point A.

Find its speed at B.

Express your answer using two significant figures.

----------------------------

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