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wel
3 years ago
6

What discoveries support the idea of continental drift?

Physics
2 answers:
Nastasia [14]3 years ago
6 0

Answer: With the discovery of plate tectonics and the mapping of the earth into about 12 plates, plus the understanding that plates' movement caused earthquakes, Alfred Wegener's idea of " continental drift" looked less ludicrous than his contemporaries had thought.

Explanation: Hope this works :)! If not, I am sorry :(. If it does, Your Welcome! :)

noname [10]3 years ago
4 0

Answer: With the discovery of plate tectonics and the mapping of the earth into about 12 plates, plus the understanding that plates' movement caused earthquakes, Alfred Wegener's idea of " continental drift" looked less ludicrous than his contemporaries had thought.

Explanation: Hope this works :)! If not, I am sorry :(. If it does, Your Welcome! :)

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How long would it take 150kg person to hit after the same jump?
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Answer:

Explanation:

Don't know what you're comparing to, but most likely the answer is the same amount of time. Mass does not affect trajectories.

8 0
2 years ago
In a battery powered flashlight, how is energy converted
Nataly [62]

Answer:

The correct answers are "chemical energy into electrical energy" and then "the electrical energy into light energy". Explanation: In the battery-powered flashlight, the battery supplies the chemical energy which makes the electrons to flow in the circuit and constitutes the current

Explanation:

5 0
3 years ago
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3 0
2 years ago
Consider the train car described in the previous part. Another experiment is conducted in it: A net force of 20N is applied to a
nordsb [41]

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No

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7 0
3 years ago
The energy band gap of GaAs is 1.4eV. calculate the optimum wavelength of light for photovoltaic generation in a GaAs solar cell
Viktor [21]

Answer:

λ = 8.88 x 10⁻⁷ m = 888 nm

Explanation:

The energy band gap is given as:

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Converting this to Joules (J)

E = (1.4 eV)(1.6 x 10⁻¹⁹ J/1 eV)

E = 2.24 x 10⁻¹⁹ J

The energy required for photovoltaic generation is given as:

E = hc/λ

where,

h = Plank's Constant = 6.63 x 10⁻³⁴ J.s

c = speed of light = 3 x 10⁸ m/s

λ = wavelength of light = ?

Therefore,

2.24 x 10⁻¹⁹ J = (6.63 x 10⁻³⁴ J.s)(3 x 10⁸ m/s)/λ

λ = (6.63 x 10⁻³⁴ J.s)(3 x 10⁸ m/s)/(2.24 x 10⁻¹⁹ J)

<u>λ = 8.88 x 10⁻⁷ m = 888 nm</u>

7 0
3 years ago
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