ok i m kind of worried i need an answer to an old paper6 physics question year 1999
A drinking straw was sealed at one end with candle wax.tyhe straw was made to float upright in water by putting a small amount of ballast into the straw.The height of the top of the straw was determined uysing a set square attached to the meter rule..The height was h
a-explain why the set square is used when taking the reading for h
b-before taking the readings for h, one of the students pushed the straw down a little.the straw then moved up and down befor coming to rest.suggest a reason why this was done.
c-the straw floats in the water so dat its top is as high as possible.For this reason the container was full of water.Suggest what would happen if the container was not quite full i.e it was three quarters full
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!