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san4es73 [151]
3 years ago
15

With all his gear, Neil Armstrong weighed 360 pounds on Earth. When he landed on the Moon, he weighed 60 pounds. Why?

Chemistry
1 answer:
lyudmila [28]3 years ago
5 0

C. The gravity on the Moon is less than the gravity on Earth.

Explanation:

The weight of Neil Armstrong changed because the gravity on the Moon is less than the gravity on earth. We can infer that the gravity on moon is one-sixth the gravity earth.

  • Mass of Armstrong on earth and moon is the same. Mass is the quantity of matter contained in a substance. Since he has the same quantity of matter on earth and moon, his mass will be the same.

Weight is a function of mass and gravity on a body.

Since his weight reduced, we can infer that the gravity on the moon is lesser:

        Weight = mass x gravity.

Learn more:

Weight and mass brainly.com/question/5956881

#learnwithBrainly

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2 years ago
Calculate the energy of one photon of yellow light that has a wavelength of 5.89x10^-7m.​
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Answer:

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___o___o____

E = hf \\  \\ E = h \frac{c}{λ}  \\  \\  E = 6.63 \times  {10}^{ - 34}  \frac{3 \times  {10}^{8} }{5.89 \times  {10}^{ - 7} }  \\  \\E =  \frac{6.63 \times  {10}^{ - 34} \times 3 \times  {10}^{8}  }{5.89 \times  {10}^{ - 7} }   \\  \\ E =  \frac{663 \times  {10}^{ - 36} \times 3 \times  {10}^{8}  }{589 \times  {10}^{ - 9} }  \\  \\ E =  \frac{1989 \times  {10}^{ - 28} }{589 \times  {10}^{ - 9} }  \\  \\ E = 3.37691 \times  {10}^{ - 19} J

I hope I helped you^_^

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