Examples of energy balance: physical education

Why is a magnet strongest at its poles?

Charges in an electric field will move electrons to? A. increase their kinetic energy B: decrease their kinetic energy C: increase their potential energy D: decrease their potential energy

What would happen if you held the South Pole of one magnet near the North Pole of another magnet of the same size? (A) The magnets would not be affected by each other. (B) The magnets would be attracted to each other.

Which kingdom consists only of complex multicellular, eukaryotic organisms which must consume or ingest other organisms for nutrition?

What is the name of the tool to measure size by force

Why is the thickness greater for the bass strings of a guitar than for the treble strings?

An atom of helium and one of argon are singly ionized - one electron is removed from each. The two ions are then accelerated from rest by the electric field between two plates with a potential difference of 150 V.

Comparing and contrasting ionic and covalent bonds?

The difference between the speed of sound n air at 0°C and the speed of sound in air at 20°c is that ... A. Cooler air molecules move more slowly and respond less readily to the energy of a sound wave. B.

Give the symbols for 4 species that are isoelectronic with the telluride ion, te2-.