El motor de un coche de 1000 kg ejerce una fuerza de 10000 N cuando este se desplaza por una carretera horizontal. En estas condiciones el coche avanza con una velocidad constante de 108 km / h.
A) ¿Cuánto vale la fuerza total de rozamiento ejercida por el aire y la carretera?
B) Si se para el motor del coche, ¿cuánto tardara en detenerse en las condiciones anteriores?

In the 1980's, congress authorized the u.s. department of energy to build the wipp facility in the chicuahuan desert in new mexico. what is the purpose of wipp?

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.