1. Diagram 1 shows the block with the dimensions of 1 mx 2m x 3m. The weight of the block is 1000 N.
What is the maximum pressure that can be exerted by the
block on the floor?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.