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Lyrx [107]
3 years ago
6

describe at least 2 reasons (pieces of evidence) for why we know that the continents were once joined together and have since dr

ifted apart.
Physics
2 answers:
kkurt [141]3 years ago
8 0

1 Continental drift

2 the layers of rock

Finger [1]3 years ago
5 0

One peice of evidence is fossils.  If similar fossils are in different continents like one is in soutch america and he other is in africa then how would the dino bones be apart? they can't swim...

The other is climates and land forms. Palentologist have found tropical plant fossils in an island of the Arctic ocean where it is way to cold for plants to even grow... Plants can't telaport....


#sHoOk ! EVIDENCE!!

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3 years ago
An electron is initially at rest in a uniform electric field having a strength of 1.85 × 106 V/m. It is then released and accele
kirza4 [7]

Answer:

W = 462.5 keV

Explanation:

As we know that when electron moved in electric field then work done by electric field must be equal to the change in kinetic energy of the electron

So here we have to find the work done by electric field on moving electron

So we have

F = qE

F = (1.6 \times 10^{-19})(1.85 \times 10^6)

F = 2.96 \times 10^{-13} N

now the distance moved by the electron is given as

d = 0.25 m

so we have

W = F.d

W = (1.6 \times 10^{-19})(1.85 \times 10^6)(0.25)

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now we have to convert it into keV units

so we have

1 keV = 1.6 \times 10^{-16} J

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