A60 kg rower is paddling a 30 kg canoe with a 2 kg paddle at a constant speed of + 10 m/s. if she loses her grip on the paddle and it flies backward with a velocity of -20 m/s, what is the final momentum of the boat and rower?
a) +10 kg-m/s
b) +10.7 kg-m/s
c) +960 kg-m/s
d) +975.2 kg-m/s

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.

statement #3 on andre"s list is false.

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by