0 votes
303 views
in Physics Form 2 by

0.01cm3 of oil spreads out on water to form a patch of diameter 28cm. estimate the diameter of an oil molecule ,and express your answer correct to 3s.f.g.

1 Answer

0 votes
by

thickness =       volume       
                 area of the patch
Area=πrxr=3.142 x 14 x 14=615.832cm2
Volume=0.01cm3.
t =   0.01   
     615.832     correct to 3s.f

Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

5.5k questions

6.5k answers

8 comments

590 users

...