Question

Explain the following:
A hollow glass sphere which floats with its entire volume submerged in water at 4 degrees celsius, Sinks when water is heated above 4 degrees celsius.

Answer 1

Answer:

Two water pipes together can fill a tank in9/3/8 the pipe of larger diameter takes 10 hours less than the smaller one to fill the tank separately find the time in which each pipe can fill the tank se