A 5 kg block is attached to a horizontal spring. a) The springs constant is 400 N/m. If the spring is compressed 5 cm then released, what is its speed when it passes the equilibrium point? x=0 b) if the μ=0.2, how far will the block slide before it stops?

Abird sitting high in a tree is an example of what type of wnergy

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

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine