Why do some astronomers think pluto should not be called a planet?

two forces 5N and T act on a stone and are directed due north west and north east respectively. If the 5N force makes an angle 60° with the vertical and the weight of the stone is 4N, find the magnitude of the force T

If a wave were to hit a flexible, moveable surface what will it do?

Describes organisms that cannot make their own food. A.) consumers B.) decomposers C.) producers

The cross section area of a hole is 725cm^2. Given that the area of a circle is A=3.14r^2, find the radius of the hole.

Distinguish between endangered and extinct species.

How to solve for h using the formula eg=mgh?

All questions on heat especially on thermal dynamics

During science lab, some students added small pieces of magnesium ribbon to 10 mL of hydrochloric acid. They noticed that bubbles formed, the test tube got hot, and the magnesium disappeared.

Does a wave travel through solid, liquid, or gas?

Unpolarized light passes through three polarizing filters. The first filter has its transmission axis parallel to the z direction, the second has its transmission axis at an angle of 30.