Un pequeño bote sale de un huerto familiar ,primero, se dirigue hacía el oeste durante 400m, de ahí gira hacia la izquierda y avanza 500m más . determina su trayectoria y su desplazamiento Vector Longitud Dirección X(Lcos0) Y(Lcos0)
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Consider the following problem: a box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume that such a box can have.

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.