Un collarín liso C, de 2 Kg, se ajusta con holgura en el pistón vertical. Si el resorte no está estirado cuando el collarín está en la posición 1, determine la rapidez con la que el collarín se encuentra en la posición 2 (y = 1 m), si (a) se suelta desde el reposo en 1 y (b) se suelta en 1 con una velocidad hacia arriba de 2 m/s. (Resuelva mediante el Principio de conservación de la energía).

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the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.

Answertraveling around a circular trackexplanation"traveling around a circular track" is the best answer as you could be traveling around a circular track at a constant speed. your velocity would therefore have the same magnitude but will always be constantly direction. since acceleration is the rate of change of velocity, the rate of change will only involve the direction of velocity and not the magnitude.wrong choices: "an object at rest" does not accelerate at all"increasing speed while traveling around a curve" means that the acceleration will not be constant due to only change in direction; it will be constant due to both magnitude and direction"an object in free fall" does not necessarily change direction