2. A flower pot falls from a balcony ledge to the sidewalk below. If the flower pot falls a distance of 30m, find a) the time it takes to hit the sidewalk b) the velocity
when it hits the sidewalk

a) 2.5s

b)24.2m/s

Explanation:

a) s = ut +1/2gt^2

Where u=0

Make t the subject and solve

b) v^2=u^2+2gs

Where u =0

Make v the subject and solve

they are non-matter

explanation:

they are non-matter. basically, any type of energy or any abstract concept is an example of something that does not matter. other examples include dreams, magnetism, radio, and hate