Two objects are placed in a tank of water (density of 1.0 g/mL). Object A sinks, while object B floats. Which of the following statements must be true?
I. Object A must be less dense than object B.
II. Object A must be more dense than object B.
III. Object B must be less dense than the water.

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral