The kinetic energy of the attracted magnet and iron rod came from potential energy in the system,
Evidence Card B: Magnet and Iron Rod
In the Sim, I observed that the amount of potential
energy changed as I moved an iron rod away from a
magnet. When the rod and magnet were released, they
moved toward each other.
How did potential energy get stored in the
magnet/iron rod system?
My steps
Potential energy
Arrangement of objects
placed a magnet
and an iron rod in
the Sim
948)
I moved the iron
rod away from the
magnet
1003

The earth remains in orbit around the sun due to the force of gravity. how does the force of gravity exerted by the sun on the earth compare to the force of gravity exerted by the earth on the sun?

Glass is transparent to visibile light under normal conditions; however, at extremely high intensities, glass will absorb most of the light incident upon it. this works through a process known as multiphoton absorption. in this process, several photons are absorbed at the same time. if very intense light whose photons carry 2ev of energy is shined onto a material with a band gap of 4ev, that light can be absorbed through two-photon absorption, because two photons have the right amount of energy to bridge the band gap. what is the minimum number of photons of 800-nm light that are needed to equal or exceed the band gap of fused silica glass

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse