NEED ASAP WILL GIVE YOU 100
The far point of a nearsighted person is 100 cm. What power glasses must they use to correct this problem and be able to see signs while driving?

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?