Question: A constant spring k = 100 N/m is compressed by 0.8 m (point A). The resource is released and This pushes a box of mass

A constant spring k = 100 N/m is compressed by 0.8 m (point A). The resource is released and This pushes a box of mass of 2 kg up the slope. Calculate the speed with which the body passes through point B. Assume that there is no friction. Repeat, but consider that there is friction in 1 meter of the horizontal path, with ?k = 0.1.

Un resorte de constante k = 100 N/m se comprime 0.8 m (punto A). Se suelta el resorte y este empuja una caja de masa 2 kg que sube por la pendiente. Calcular con que velocidad pasa el cuerpo por el punto B. Suponer que no hay rozamiento. Repetir, pero considerar que existe rozamiento en 1 metro del camino horizontal, con uk = 0,1. Rta: a) 3.46 m/s b) 3.16 m/s AX B V ? K 1 mm sin Coz. A

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