What is the difference between a 3 v and 12 v battery

A certain kind of glass has an index of refraction of 1.640 for blue light of wavelength 440 nm and an index of 1.595 for red light of wavelength 670 nm. If a beam containing these two colors is incident at an angle of 30.

An electron moves with a speed of 5.0 * 104 m/s perpendicular to a uniform magnetic field of magnitude 0.20 T. What is the magnitude of the magnetic force on the electron? (e = 1.60 * 10-19 C)

Trace the energy transformations from a hamburger you eat to riding your bike.

As an object falls to the ground, what happens to its energy? Ignore air resistance in this scenario. A) energy is converted from gravitational potential energy to kinetic energy.

The neurotransmitter that is primarily associated with the feeling of wanting something is

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp

Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. What is one possible choice for the ther element in the compound?

A ship leaves the island of Guam and sails a distance 255 km at an angle 49.0 o north of west. Part A: In which direction must it now head so that its resultant displacement will be 125 km directly east of Guam?