Miguel viaja en su automóvil en una autopista recta, se mueve a razón de 25 m/s presiona el acelerador durante 20 segundos y después su rapidez es de 40 m/s. ¿Cuál es el valor de la aceleración del auto?

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

Why don't you see your reflection in water with waves or repples

How will the system respond to a temperature increase?