Una Magnitud derivada : 1) 2 puntos
2) Longitud
3) Velocidad
4) Tiempo
5) Masa
6) Temperatura

Why are some galaxies’ spectra blueshifted rather than redshifted? question 4 options:

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s