Consider two cars that are on course for a head-on collision. If they have masses m1 = 1,300 kg and m2 = 1,800 kg and are both traveling at 34 m/s, what is the magnitude of the total momentum?

105400kgm/s

Explanation:

Momentum is the product of the mass and velocity of an object.

Momentum = mass × velocity

Given

Masses m1 = 1,300 kg and m2 = 1,800

velocity = 34m/s

Magnitude of the total momentum = (m1+m2)v

Magnitude of the total momentum = (1300+1800)((34)

Magnitude of the total momentum = 3100(34)

Magnitude of the total momentum = 105400kgm/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.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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