I have to do a newtons laws demo for science and I was wondering if a pencil jumping up after dropping it on a table is considered a third law

Consider layers of three media of different index of refraction. The thickness of layers is the same, say L. Medium A has index of refraction 1.3; medium B has index of refraction 1.4 and medium C has index of refraction 1.35.

answers A 17.0 resistor and a 6.0 resistor are connected in series with a battery. The potential difference across the 6.0 resistor is measured as 15 V. Find the potential difference across the battery.

What is the voltage in an electric circuit? a) The power of the electrons b) The charge of the electrons c) The energy of the electrons d) None Of these

2 rocks of the same mass are rolling down a hill at different speeds (one faster than the other). which rick would have more kinetic energy?

What do kepplers laws describe? A. The forces between any two objects B. The effects of gravity C. The shape of an orbit D. The effect of mass on gravity

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-.