Una vehículo se encuentra en reposo y adquiere un velocidad de (15,3i+20,18j)m/s durante 4 segundos, mantiene su velocidad constante durante 12seugundos al final desacelera a los 1,3s¿Calcular la aceleración en las coordenadas i?

In the first law of thermodynamics, triangle e=q-w, what does q stand for

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?