The cars on an amusement-park ride travel at a constant velocity of 4.0 m/s on a circular track
that has a radius of 4.0 m. What is the
magnitude of each car's centripetal
acceleration?
A 1.0 m/s2
B 2.0 m/s2
C 4.0 m/s2
D 16 m/s2

There are weak or strong attractive forces between atoms of liquids with a high viscosity

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

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