Un auto de 1000 kg de masa tiene una velocidad inicial de 60 km/h y aumenta hasta 80 km/h ¿que trabajo realizo el motor del auto? Recuerda convertir los

km/h en m/s​

Can anybody me with this? ? (picture included.)

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?