Match the following properties to the type of wave. Longitudinal
waves
?
Medium moves
perpendicular to the
direction of wave motion.
Surface waves
?
Particles of the medium
undergo rarefaction and
compression
Transverse
waves
?
Particles of the medium
move both parallel and
perpendicular to the wave
motion.

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

80cm/s.

24cm/s.

53.3cm/s.