2. Un motociclista viaja hacia el oriente con una velocidad de 90 km/h durante 10minutos, regresa al occidente con una velocidad de 54km/h durante 20 minutos y finalmente vuelve al oriente durante 15minutos viajando a una velocidad de 108 km/h. Si marchan en el mismo sentido

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

What properties of a moving object are used in determining the object's energy of motion

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.