Siendo que la energía mecánica E, es igual a la suma de las energía cinética y potencial, es decir E = EC + EP. Al determinar el valor de la energía mecánica en la posición de equilibrio, resulta. A. 14,58 Julios. B. 16,2 Julios. C. 0 Julios. D. 29,16 Julios.

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.

Could someone . i have tried to solve myself but my calculation is off

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction