physcis ! HELP !!!!
posted by kelly .
which of collowing situations describe a particle that might have a non-zero velocity? canbe more than one
A) a particle that has a constant position as a function of time
B) a particle that has its position changing as a fnction of time
c)when you graph the particle's accerleration, the slope of the ine is zero
d)a particle that is falling near the surface of the earth
B, C, D