Calcular el volumen de agua desahogado de un recipiente si se sumerge por completo un cubo de Ni el cual tiene un peso de 98Ny si se tiene un peso específico del agua 9800 N/m3 y si se tiene un peso aparente para el cubo de 73 N

Estimate of the number of stars in our galaxy

1) a child holds two dogs on two separate leads. the dogs are pulling in different directions. one is pulling a force of 20n north and one is pulling 15n eastwards. calculate the resultant force on the child. state the direction. (use the parallelogram of forces) 2) a force of 20n acts horizontally on an object. a second force of 5n acts at 60 degrees to the first one. calculate the resultant force. worth 20 points, need answers asap with method you x

What radiation has a higher frequency than visible light