A metal ball that weighs 2kg is dropped from a building and falls a distance of 200m. How long did it fall for? (Assuming there is no air resistance)

umm i do not kno

Explanation:

Which of the following ratios are equivalent to 6:9? Choose all that apply.  

A.3:2

B.eighteen over twenty seven

C.30:45

D.twenty four over thirty twoWhich of the following ratios are equivalent to 6:9? Choose all that apply.  

A.3:2

B.eighteen over twenty seven

C.30:45

D.twenty four over thirty twoWhich of the following ratios are equivalent to 6:9? Choose all that apply.  

A.3:2

B.eighteen over twenty seven

C.30:45

D.twenty four over thirty twoWhich of the following ratios are equivalent to 6:9? Choose all that apply.  

A.3:2

B.eighteen over twenty seven

C.30:45

D.twenty four over thirty two

Explanation:

the part of the wave he is travelling on is the crest