Urgent!! Which best explains why a S. M.A. R.T. goal needs to be specific?

A) Allows a person to identify steps to reaching the goal without feeling overwhelmed by the task.

B) Gives a person a greater feeling of control and increases self-esteem.

C) It promotes a positive outlook and emotionally prepares a person for a task.

D) Provides greater motivation to succeed making it more difficult to give up

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Antireflective coatings on solar cells are often made by applying a thin film of silicon nitride (sinx), which has an index of refractive of 1.2, on the top of the silicon solar cell, which has a refractive index of about 3.5. however, the sun emits radiation of various wavelengths which the solar cell absorbs, and the antireflective coating can only absolutely minimize the reflection of one of these wavelengths. the coating thickness is chosen to reduce the reflection of green/yellow light (e = 2.2 ev), which is the most intense color in the solar spectrum (shown below). which of the following coatings would minimize reflection of green/yellow light? the answer is 820 nm how? what is the angular width of the central maximum of an electron traveling at 2 x 108 m/s going through a single slit of width 1 mm.

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d