What two forces determines whether an object floats or sinks

How you can speed up the dissolving process when preparing juice from frozen concentrate

Which of the following is a valuable part of the scientific method?

You have a sealed glass jar full of air. If you put it in the freezer, what happens to the gas pressure in the jar?

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

Why are the outlets in homes never wired in series? What problems might this present?

What is a light-year equal to? A. the distance light travels in one year B. the time it takes light to travel 10 trillion kilometers C. the mean distance between the Sun and the center of our galaxy D.

You have just installed a new sound card in your system, and Windows says the card installed with no errors. When you plug up the speakers and try to play a music CD, you hear no sound. What is the first thing you should do? The second thing? a.

Why does convection occur only in fluids?

The force of repulsion between two like-charged particles will increase if

An automobile tire having a temperature of -2.6°C (a cold tire on a cold day) is filled to a gauge pressure of 24 lb/in^2 What would be the gauge pressure in the tire when its temperature rises to 43◦C?