Physics, 20.08.2019 10:30 skullglitches
We spend our lives in visible light without risks to our health. yet exposure to uv waves in sunlight can cause skin cancer. what is the best explanation for this?
a) uv waves are longer and carry more energy.
b) uv waves are higher frequency and carry more energy.
c) uv waves have a lower frequency and carry more energy.
d) uv waves travel faster than visible light and have more energy.
Answers: 2
Physics, 22.06.2019 01:30
Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor
Answers: 1
Physics, 22.06.2019 04:10
Atotal charge of โ6.50 ยตc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 ร 105 n/c, radially inward b) 6.49 ร 105 n/c, radially outward c) 4.69 ร 105 n/c, radially inward d) 9.38 ร 105 n/c, radially outward e) 1.30 ร 106 n/c, radially inward
Answers: 3
Physics, 22.06.2019 14:20
How many atoms of nitrogen are in the chemical formula ni(w on
Answers: 1
Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
Answers: 1
We spend our lives in visible light without risks to our health. yet exposure to uv waves in sunligh...
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