There are four springs stretched by the same mass spring a stretches 25 cm spring b streiches
10 cm spring c streiches 100 cm spring d stretches 1 cm
which spring has the largest spring constant?
a
b
c
d

Need in all of themmm only answer if you know plsssss

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.