6. Extension: Click Reset. Without changing any of the sled masses or heights, record the potential and kinetic energy
of each sled and find the total energy before the collision.
Click Play and then Pause after the collision. Record the
potential and kinetic energy of each sled after the collision,
and find the total energy.

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Place me with this question is my last question

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate