A roller-coaster car moves around in a vertical loop-to-loop at constant speed and does not fall off the track. When the car is at its lowest point, how does the magnitude of the normal force from the track compare to the car’s weight?

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.

i believe the answer is a hope it and is correct

answer is slate

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