If we always drop the balls from 1-m height in each trial, what type of variable
is this in this experiment?
Constant Variable
Dependent Variable
Independent Variable

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.

The plum pudding model of the atom state that ?

Which statement correctly describes the relationship between frequency and wavelength?