El niño del problema anterior .Digno hijo de su padre. También sostiene la barra con el padre y la madre suspendidos en ella; la segunda colgando de una polea enlazada al extremo de la barra, como se indica; y el padre (80 kg), suspendido directamente, a 25 cm del mismo extremo. ¿Qué esfuerzo tiene que efectuar el niño y por dónde tiene que sostener la barra?

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.

Acorporation gives out its profits as dividends paid to whom?